2011-2012 Mineral Guide In alphabetical order Acanthine • • • • • • • (Colors)-Gray and black (Hardness)-2.5-3 (Streak)Shiny black (Luster)-Metallic (Specific Gravity)-Approximately 5.5 (Uses)-Acanthine is used for lead and other by-products of silver. (Interesting facts)1-Acanthine is used for lead. 2-Acanthine can be cut just like lead. 3-Acanthine comes from Latin a word and has a abbreviations which is Ag. Cassandra Todd Agate • Nicole Willis • Color: nearly any color even colorless • Hardness: 7-9 • Streak: Agate is the mystical birthstone for September • Luster: glassy • Specific Gravity: 2.65-2.66g/cm3 • Uses: Gemstone and ornamental stone • At least 3 interesting facts: – In all color of the rainbows although green blue are quite – Agate is the accepted gemstone for the 12 and 14 weeding anniversaries – Relatively inexpensive Amethyst Asia Munn The name of my mineral is Amethyst. Its color is various shades of purple. It has a hardness of 7(seven). It has white as its streak. My luster is vitreous a synonym for vitreous is glassy. It has specific gravity which is density of 2.64 – 2.69. It has 2 uses which is gemstone and ornamental stones. I have 3 different facts which are it occurs in gross as geodes of crystals radiating ,they can also have smoky quartz clouds inside, and it is the birthstone for February. ANATASE • BY : Nathan Hester • Color : brown, black, yellow, blue • Hardness : 5.5,6 • Streak : white • Luster : Submetallic (hard) • Gravity : 3.8,3.9 • Uses : mineral specimens • Fun facts : 1: Name origin-from the Greek, anatass-”elongation” 2: synonym-octahedrite 3: Environment-usually secondary derived from other ti-bearing minerals ANATASE Dakota bazaldua anatase Black white yellow and blue 5.5 to 6 White submetallic 3.8 to 3.9 Mineral specimens Titanium Dioxdide crystal • • • • • • • • 1. 2. 3. Name: Selina Chavez Color: Yellow or Yellowish Green Hardness: 2.5 Streak: Pale Yellow Luster: Vitreous (glassy) to pearly Specific Gravity: 2.9 average Uses: Mineral Specimens Interesting Facts: It has a luster that seems to glow Is a rare mineral usually seen in museums Radioactive Mineral Andradite Alexus Melissa Graham Colors: green, black, yellow, greenish gray Hardness: 6.5 -7.5 Streak: is white Luster: Vitreous (like glass) Specific Gravity: is Approximately 3.8+ Uses: Gemstone and Abrasive 3 interesting facts: -Forms rounded crystals with 12 rhombic or 24 trapezoidal -the calcium iron garnet -these garnets form from metamorphism Angelite • By: Joanna Landeta The colors is white, gray, or colorless but also blue to violet. The hardness of Angelite is 3.5 The streak of Angelite is white. The luster of Angelite is vitreous. The specific gravity is approximately 3.0 (average for translucent minerals.) The uses of Angelite is in the manufacturing of some cement (a source of sulfate for sulfuric acid.) 1. This loss of water produces a reduction in volume of the rock layer and can cause the formation of caverns as the rocks shrinks. 2. Lilac blue anhydrate is sometimes called Angelite for it’s Angelite color. 3. Fine specimens of Anhydrite have been found in Mexico and Peru that show good crystal. ~ APATITE ~ Colors: green, yellow, blue, redish brown, purple. Streak: white. Specific gravity (density): approximately 3.1-3.2. Uses: fertilizer, gemstones, mineral specimen. Hardness: is 5. Luster: vitreous to greasy and gumdrop. MY FUN FACTS!!!! Apatite is actually three different minerals depending on the predominance fluorine chlorine on the hydroxyl group Irony - the name apatite is the mineral that makes up the teeth in all vertebrate animals. Apatite is widely distributed in all types igneous, metamorphic, sedimentary just small disseminated grains or cryptocrystalline. AUTUMN LOCKAMY Aquamarine Staci Helms The color of aquamarine is various shades of blue to blue green. The hardness of an aquamarine is 7.5-8. The streak of aquamarine is white. The luster of aquamarine is vitreous. The specific gravity of aquamarine is 2.8. The uses of aquamarine is jewlery. The first interesting fact of aquamarine is it is transparant. The second interesting fact of aquamarine is it shines like glass. The third interesting fact of aquamarine is it a hard stone that can scratch glass. BABINGTONITE • Color black and dark green. • Hardness is 5 • Streak is brown to gray. • Luster is vitreous • Specific gravity is approximately 3.3 • Used as a mineral specimen. • Was unknown to science before the start of the twentieth century. • Is somewhat scarce and its presence in a specimen tends to raise the vale of specimen consider a big. •It is opaque and brilliantly vitreous. Maurice Lennon Colors: White, Blue, Green, Gold and Red shades Streak: white Hardness: 3.5 Luster: vitreous Specific Gravity: 4.5 Uses: ore or barium Facts: 1) The name Barite came from the Greek name Barius. 2) Barite specimens are known as the desert rose. 3) It looks like cubes of gold glass and has a rough texture. Beryl (Kaley Smith) Colors: emerald green, blue to green, yellow, greenish gold, red, colorless and pink. Hardness: 7.5 – 8 Streak: white Specific gravity (density): approximately 2.6 – 2.9 Uses: Gemstone, specimens Interesting/fun facts: 1. Pure beryl is colorless it also occurs in variety of colors. 2. Beryl is some of the most valuable of all colored gemstones. 3. Beryl name is from ancient Greek. Color: White, Gray, Yellow, Red, Green Hardness: 2.5-3 Streak: White Specific Gravity: Approximately 2.2-2.3 (light for translucent minerals) Uses: Only as mineral specimens. 3 interesting facts: 1. Comes in different colors. 2. Different sizes. 3. Spelled in two different ways. 1) One legend of the origin of bloodstone says that it was first formed when drops of Christ’s blood fell and stained some jasper found at the foot of the cross. 2) Bloodstone is a variety of green with red inclusions. 3) Bloodstone is the birthstone for March. Color: mostly green with red inclusion Hardness: 7 Streak: red Luster: glossy to watery Specific gravity: 2.65-2.66 Uses: gemstone and ornamental stone Color: White to colorless Hardness: 7- 7.5 Streak: White Luster: Glassy Specific Gravity: 2.9-3.0 Uses: An ore of boron for boric acid and borax. Fun Facts : 1. It has a good color 2. It is similar to Quartz 3.Attractive mineral for mineral specimens though Bornite • The colors of bornite are brown, black, purplish, bluish, tarnish, reddish bronze • The streak is gray black • The hardness is 3 • The luster is metallic • The specific gravity is approximately 4.9-5.3 • The uses are major in copper and minerals specimens • The 3 interesting facts are: – the colors in it – how there are isometric crystals in it – it gets up to 228 Celsius degrees before melting by Scott Howell Brass • • • • • • The Brass is a yellow to brass yellow. The hardness is 3.4. It’s Brassy brown. It’s Metallic. It’s 8.4-8.7 (man-made) brass. In jewelry, Only as mineral specimens, These specimens are also not common but are extremely rare and have only been found in a couple of localities in Siberia, Russia. • Brass is an all-purpose metal that is used to create a wide range of items from home decor to industrial accessories. • Made from a combination of copper and zinc. • It is noted for its attractive gold color and long-lasting durability. Cameron Murchison Calcite Melissa Salgado Flores The color of calcite are yellow, orange, blue and more. The hardness of calcite is less than a fingernail. The streak is white. The luster is resinous (waxy) to dull in massive forms. Specific Gravity is approximately 2.7 on average. You can use it in cements, glasses, and steel. The interesting facts are calcite is the Greek word for lime. Calcite is one of the most common minerals on the face of the earth. Limestone becomes from the heat and pressure. Caledonite Colors: green, light blue, blue to green • Hardness: 2.5-3 • Streak: greenish white to blueishgreen • Luster: vitreous to resinous or greasy • Specific Gravity (density): is approximately 5.6-5.8 (very heavy for translucent minerals) • Uses: as a very minor ore of lead and copper and as mineral specimens • Fun facts: Caledonite is named for its country of original discovery • Caledonite is closely related to and often in association with linarite • Caledonite and linarite are found in the oxidation zone of copper and lead ore deposits • Savannah Ludlum CASSITERITE Lauren Adams Black, reddish, brown, or yellow 6 -7 White but at times brownish Adamantine or greasy 6.6 + 7.0 + (very heavy for non-metallic minerals) Uses: tin for eons 1. crystals often form pyramidal, may also be massive and granular 2. found world-wide in alluvial deposits because of its resistance to chemical and physical attack • 3. cassiterite is the only important ore for tin • • • • • • • • • CAVANSITE •Colors- greenish blue , ocean blue. •Streak is blue. •Specific Gravity is approximately 2.33. •Luster-vitreous to pearly. •Uses-Display. •Fun Facts- It was found about 30 years ago. Also Cavansite comes from Poona, India and Oregon. It is a very rare mineral!!! •CALEB STRAIT Chalcophyllite by: Indiyah Williams Colors: blue to emerald green Hardness: is 2 Streak: is green Luster: is adamantine, vitreous to pearly Specific Gravity (density): is approximately 2.4-2.7 (light copper mineral) • Uses: pipes, electrical circuits, coins, ammunition, brass, and bronze • Inserting Facts: best field indicators are crystal habits • • • • • Chlorite by: Xavier Monroe Color: green Hardness: 2.5 Streak: slight green Specific gravity: 3.3 Luster: nonmetallic Uses: Filler & constituent of clay Interesting facts: 1. most known to mineral collectors 2. most chlorite is considered as a single mineral 3. you can find chlorite in clear quartz CITRINE By: Faith Banks Colors: yellow, orange, green, clear, blue, pink, purple, red Hardness: 7 Luster: glassy or vitreous Density: 2.66 Uses: Gemstone & ornamental stone Interesting facts: it is a November birthstone, citrine is a variety of Quartz, and Citrine is mostly found in Madagascar Larissa Ceballos DIAMOND The colors are transparent, pale yellow, browns, grays, whites, blues, blacks, reddish, greenish. • Hardness is a 10. • Streak is white. • Luster is adamantine or hard to break. • The specific gravity is 3.5 • Diamonds are used in jewelry. • Three Interesting Facts a. Natural diamonds are least 990,000,000 years old. b. Diamond is the hardest minerals on the Mohs Scale. c. 80% of the world`s diamonds are not suitable for jewelry. • Elbaite Arianna Laforte • Red, pink, green, blue, orange, and yellow the hardness = 7-7.5 streak = white luster is vitreous The specific gravity is 3.0 (average) The use is mainly jewelry The main facts are: it belongs to a group name tourmalines It is the most colorful member of that group Contains many variety names based on the color Emerald Zachary Pittman The color of emerald can come in various shades of green. The hardness of emerald is 7.5-8 The streak colors of emerald is white, green, and/or yellow. The luster of emerald is vitreous. The specific gravity of emerald is 2.76 The uses of emerald is gemstone. 3 fun facts about emeralds are: 1. Emerald’s precious green color is caused by small amounts of chromium and traces of iron. 2. Nearly all emerald gemstones have been treated to improve their appearance. 3. The wonderful green color emerald is unparalleled in the gem kingdom. EUCLASE BY: Cynthea Landreth Streak is white Color includes colorless, blue-green, blue, yellow, light green and rarely purple. Fracture is conchoidal Specific Gravity is 3.09 - 3.11 (slightly above average) Gemstones and as mineral specimens. Hardness is 7.5 Cleavage is perfect in one direction (prismatic), poor in two other directions Transparency: Crystals are transparent to translucent. Luster is vitreous Euclase gets its name from its easy cleavage, euclase simply means easily cleaved. It is easily identified by its crystal form which can only be confused with barite or celestite. The crystals of euclase are commonly prismatic with slanted termination faces. BY: JAMES DOWD Garnet is January’s birthstone, that’s why I picked it. Certain people believe it has healing properties. Normally it is pictured as dark red like the picture on the right, but it comes in every color besides blue. The most used use for garnet it to make jewelry for example: rings, earrings, and pendants. The word “garnet” comes from the Latin word granatum which means pomegranate seed. Its not very hard to tell why! The streak is red. The luster is nonmetallic. The specific gravity or density is (gm/cm3). Finally the hardness is 6.5 to 7.5. IOLITE BY: TYLER WATKINS COLOR: PURPLISH BLUE,YELLOWISH GREY HARDNESS: 7.5 STREAK: PURPLISH BLUE LUSTER: VITREOUS=GLASSY SPECIFIC GRAVITY: 2.57-2.66 USES: USED FOR GEMSTONE 3 INTERESTING FACTS: IOLITE IS A POPULAR GEMSTONE. IT IS A INTENSE BLUE. IT IS KNOWN AS THE WATER SAPPHIRE. Jonathon Trevor Robinson JADE • Color/ Green, white, orange, yellow, gray • Hardness/ 6.5-7 • Streak/ Green • Luster/ Glassy, shiny • Specific gravity/ 3.30 to 3.36 • Uses/ Gemstone and ornamental stones/jewelry • 3 facts/ 1. They were brought to Europe from China. 2. It is tough as steel and metal. 3. They can be made into knives and weapons. Jasper • Pictures of the mineral jasper. Queen Leach • It is colorful variety. • Name jasper means spotted or speckled stone. • Fine grained quartz whose crystals are too small to see. Kammererite color: bright lavender to crimson red hardness: 2.0 - 2.5 streak: white luster: its very shiny specific gravity: 2.60 - 3.02 uses: they are used to make jewelry interesting facts: it can make fog go away, it is easy to break, it’s crimson red. Kameron Rogers Kunzite • The mineral Kunzite is a light pink color and is used to make pendants. • The hardness is in the range between 6-7. • When rubbed on a flat surface the color of the streak is white. • The luster of kunzite is vitreous, like glass. • The specific gravity is 3.17- 3.23. • When kunzite is exposed to light the color fades away. The gem itself can promote emotional support. It is named after George Frederick Knuz. Kaitlyn Shirley Keymon Cromartie Colors: pink and green Luster: glassy Hardness: 6.5-7 Streak: white Specific gravity:3.18 Uses: gemstone 1. It is strongly pleochroic (different colors from different directions) 2. There is strong fracture 3. Its colors make it look attractive (MALACHITE) •Ossiel Salgado Baza •Malachite •Green, red, blue, black, white •Hardness: Mohs 3.5-4.0 •Streak: Green •Luster: it is hard and a little heavy. •The Specific Gravity is (5.1) •Uses: As mineral specimens, an important ore of copper, as an ornamental stone, a pigment and for jewelry. Colors: White, Brownish, Amber and Colorless (Hardness) 2.5-3 (Streak) White (Luster) Adamantine/Resinous (Density) 6.5 g/cm3 (Use) Only as a mineral specimen. Macphersonite is named for a mineralogist at the royal Scottish museum, namely Harry Gordon Macpherson. It has lots of colors. It is a museum piece. MICA Mica is easy to peel. Its colors are green, brown, and yellow. The streak is white. It is used for industry and electricity and it is added to paint. Here is some interesting facts: in Latin, mica means to shine or glitter. Mica is easy to crumble or break down. Mica is not a very hard mineral, 2.5 – 3.0. In water mica would sink. Mica’s luster is translucent in thin sheets. Cameron Sessoms MILKY QUARTZ Faith johnson The color of milky quartz is white and usually milky. The hardness of milky quartz is 7 The streak is usually white and sometimes clear The luster of milky quartz is glassy The specific gravity is 2.65 It is used in optical instruments and electrical devices Milky quartz can be used to make sandpaper and other grinding tools Milky quartz is in almost everything around you It is also used In candles Native Gold Luster: metallic Colors: gold Hardness: 2.5 – 3 Streak: golden yellow Specific Gravity: 19.3 (extremely heavy even for metallic minerals.) Uses: Gold jewelry Gold is the most well known of the native metals. Native gold is any metal that is found in metallic form. Native gold was prehistoric man’s only source to metal. by: Rhett Burney Native Silver Demyzha Monroe • Color(s) : Is silver white with exposed specimens tarnished black. • Hardness : Is 2.5-3 • Streak : Is Silver White • Luster : Is Metallic • Specific Gravity : Is variable according to purity, 10-12 • Uses : Minor Ore of Silver for use in jewelry Native Silver is rare and much silver is produced Silver has been mined for eons That it is in the gold group Nickel Hardness: 4-5 Streak: gray metallic Luster: metallic Specific gravity: 78-82 Uses: as a mineral specimen and scientific studies At least 3 interesting facts: it is extremely rare in nature, 39% of the nickel mined on earth, most comes from a large impact crater. Halim Smith Color: white, gray, red-brown, or yellow Name: Nitratine Hardness: 1.5-2 Streak: white Luster: vitreous Density: 2.2-2.3 Uses: fertilizer or display Facts: It was discovered as a fertilizer by accident. It is available on the mineral market. It is found on the Persian Gulf. Oligaclase Colors. brown, gray, white, green, white Streak. white Hardness.6.25 Luster= vitreous/ glassy Specific gravity (density).2.64 to2.66 Interesting/fun facts: 1. rock-forming mineral belonging to the plagioclase feldspar 2.formed through geological processes 3. Chemicals originally derived from Sweden Colors: black or white Hardness: 7 Streak: white Luster: glassy Uses: gemstone and ornamental stone Interesting facts: 1.it is a traditional birthstone for February 2.its a fine grained quartz 3.the crystals are not visible 1. 2. 3. COLOR: green ,greenish yellow HARDNESS: 6.5-7 STREAK: white LUSTER: vitreous to oily SPECIFIC GRAVITY: 3.3-3.4 USES: gemstone FUN INTERESTING FACTS: French word derived from the Arabic word faridat means gem. Peridot was mined in ancient Egypt on an island called Zeberget. It was once called “gem of the sun”. QUARTZ BY: SHAHYRA HOGAN COLOR: WHITE, PURPLE, PINK, BROWN, BLACK, GREY, RED, BLUE, ORANGE, & GREEN HARDNESS: 7 STREAK: WHITE LUSTER: VITREOUS SPECIFIC GRAVITY: 2.65G/CM3 USES: JEWELERY, PAINT, PHONES, COMPUTERS, WATCHES, & SPIRITUAL QUALITIE S INTERESTING FACTS I. SECOND MOST ABUNDANT MATERIAL ON EARTH II. COMPONENTS THAT MAKE-UP ELECTRONICS III. BELONGS TO THE TRIGONAL CRYSTAL SYSTEM QUETZALCOATLITE Name : Quaheem Leach Color : blue Hardness : 3 Streak : white Luster : vitreous or glass Specific Gravity : approximately 6.1 (very heavy) Uses : A very minor ore of tellurium and as mineral specimens • Interesting/Fun Facts : 1.Rare and an unusual mineral from Mexico 2.Means Feathered Serpent 3.Mineral is named for the Aztec God : Quetzalcoatl • • • • • • • roCKBRIDGEITE by:rahkeem p. Ruby By: Andrew Gill Rubies are red to pink The hardness is a nine The streak is white The luster is vitreous or as some call it glassy The specific Gravity is four 3 interesting facts: The best shade of ruby is called pigeon blood It can be up to any shade of red to pink The red color in a ruby is caused by traces of the element chromium The mineral Sapphire By: Garrett Cook Color: Can be any color but red Hardness: 9.0 out of 10 Streak: White streak Luster: Vitreous to admantine Density: 3.9 to 4.1 Uses: Gemstone & birthstone of September Facts: 1.) Light can shine on it to make a 5 point star 2.) In magic can represent ice or water 3.) In Latin said: sapphirus, Greek: sápheiros The colors of SCAPOLITE are white, greenish or gray. The hardness is 5.5 to 6. The streak color is white. The luster is exposed crystals. The specific gravity is 2.5 to 2.7. It is used as gemstones and as mineral specimens. Interesting facts about SCAPOLITE: it is tetragonal, includes prismatictosocky crystals. Spinel • • • • • • • • By: Charity Montgomery The Colors: are Red ,Green ,Blue ,Purple ,Brown & white The Hardness:7.5-8.0 The Streak: is White The Luster: Glassy Specific Gravity:3.6-4.0 Uses: As a Gemstone and as a mineral specimen Three interesting facts :Spinel is a very attractive and historically important gemstone. The Spinel is still valuable. It’s typical red in color, although pink rivals the color of ruby. Stichtite Devan Stocks The mineral stichtite has many different characteristics. The hardness of the mineral is 1.75 and the streak of the mineral Is pale violet blue, and the luster is waxy, greasy, and pearly. The specific gravity of the mineral is 2.1 well below average. There are two uses for this mineral. You can put them in a ring or necklaces and you can put them in a crystal ball or anything else of that sort. There are some interesting things about this mineral it was discovered in 1910, it also has a specific gravity well below average. This mineral is very rare, it is only found in three parts of the United States. I like the mineral stichtite and that’s why I choose it. Tinaksite • • • • • • 1. 2. 3. • The colors of the Tinaksite are pink, pale yellow, light brown The hardness is 6 The streak is white The luster is Viterous The specific gravity is 2.82 The uses for the mineral Tinaksite is in galleries as mineral specimens Salmon Colored Looks better than the Purple Charoite Different Names Tityanna Gilbert TITANIUM Jayla Peters It’s silver & often multi-colored Hardness is 4 Streak is black Luster is metallic Specific Gravity is 4.4 Titanium at one time was thought to have little use. Now we use it in airplanes, missiles, space vehicles and even surgical implants. 1 . Titanium is light weight, non-corrosive and able to withstand extreme temperatures. 2. Titanium is a white pigment that is used more and more in paints. 3. Titanium has been found in extremely high pressure metamorphic rock. • • • • • • • TOPAZOLITE • • • • • • • • Colors: Greenish yellow. Streak: White. Uses: It’s just like GEMSTONES. Hardness:6.5-7 Luster: Glassy Specific Gravity (density):3.84 It also has a orange tint. Topazolite is a yellow variety of garnet. • It’s golden yellow color is similar to golden topaz. Dayvon Swindell The name of my mineral is valentinite. Valentinite’s colors are white, yellow, reddish or gray. Valentinite ranked 2.5-3 on the Moh’s hardness scale. It’s streak color is white. It’s luster is adamantine or pearly. It’s specific gravity (density ) is 5.7 (heavier than average). It’s uses are being a specimen in a museum. Here are three interesting facts about Valentinite: It forms sprays that are usually matted to the host rock in radiating clusters, Valentinite is a high lustered often fibrous oxide minerals, It’s antimony oxide minerals with formula Sb203 . Wolfeite by Kenneth Mote Colors- clear , white , yellow , orange and brown Hardness – 4.5 Streak- white Luster- vitreous & greasy Specific gravity – 3.8+ (above average) Uses – necklaces, counter tops and a lot more Interesting Facts - one of the most rarest minerals, fools people thinking of silver, found only in U.S.A and South Africa. My mineral is Woodhouseite. I know it sounds funny but just read this and you will see that it is very interesting!!!!!! Color = burgundy, red, orange, gold, yellow, and white (sometimes it’s clear but that is very rare) Hardness = 4.5 Luster = vitreous (glassy) or pearly Specific gravity/density = 3.012g/cm³ Uses = only a specimen which means only used in museums or galleries Some interesting facts are: 1. It is so rare that it is only found in 1 location and that is White Mountain Peak in Mono County, California. 2. The faces of the mineral woodhouseite can be straight or curved. 3. It is made up of many different minerals. Jennifer R. Colors = Colorless, gray, lemon white, light gray, or pink Hardness = 6.5 Streak = White Luster = Vitreous to silky Density = Approximately 2.7 Uses = mineral specimen Three facts: › a mineral with the chemical formula Ca6Si6O17 (OH) 2. › it crystallizes in the monoclinic- prismatic crystal system with typically an acicular crystal form or habit. › It occurs as veins in serpentinite and contact metamorphism aureoles. Yuksporite Alleigh Buchanan Yuksporite has colors like yellow rose or reddish beige to pink. The streak is white. The luster is vitreous and silky. The specific gravity is 2.8-3.0 Uses are mineral specimens. FUN FACTS This mineral is very rare usually found in the Yukspore Mountains. The transparency specimen is opaque. It also has many silicates. The name of my mineral is Zippeite There are various shades of gold to orange and sometimes brown. Hardness is approximately 2 Streak is a pale yellow Luster is dull Specific gravity is approximately 3.7 + (above average for non-metallic mineral) Uses are a minor ore of uranium minerals 3 interesting fact are : It is fluorescent under ultraviolet light These minerals are rare Cleavage is not seen Zircon • • • • • • • Sadrah Jenkins Colors: blue, green, red Hardness: 7.5 Streak: White Luster: Greasy and Adamantine Uses: Jewels Facts: – Zircon often contains traces of radioactive elements. – Zircon that has undergone a metamiction process is sometimes called "Low Zircon“. – Zircon crystals are opaque and brownish My minerals name is zoisite. My mineral has many different colors, they are green, blue to violet, pink to reddish, also grey , white, or brown. The hardness is 6-7. The streak is white. My mineral’s luster is vitreous (the same as glass). Zoisite’s specific gravity is approximately 3.3. You can use it in gemstones. It has some interesting facts like: zoisite is a ruby. It was first discovered in 1954, and it is predominately green . By: Allaysha Smith