SEPTEMBER 8, 2015
Materials:
Pencil
Science Notebook
Highlighter
*Complete Bellringer on a
piece of paper.
*Please take out your
homework and pass to the
end of the table before
class begins.
*When my timer sounds all
voices must be off.
WHAT IS A MINERAL?
WHAT IS THE DIFFERENCE BETWEEN
AN ELEMENT AND A MINERAL?
WOULD THE PHYSICAL PROPERTIES OF
MINERALS BE DIFFERENT THAN THE PHYSICAL
PROPERTIES WE USED TO STUDY THE
ELEMENTS?
PHYSICAL PROPERTIES OF
MINERALS
Each person will be assigned a paragraph to read in
their group.
Read & Write Down the most important information on
the handout.
With your tablemates create a T-Chart to list all
important information for each topic.
Physical Property
Important Detail
Color
• Some minerals have
one color (Gold)
• Other’s have many
colors (Calcite)
MINERALS
Physical Properties
TALC
TALC
Color – white, sea green, or
gray
Luster – pearly
Hardness – 1
Streak – white to pale gray
Cleavage – yes
Fracture – uneven
Uses – paint, baby powder,
paper, rubber, cosmetics
GYPSUM
GYPSUM
• Color – white, gray, clear,
yellow, red, brown
• Luster – glassy, pearly
• Hardness – 2
• Streak – white
• Cleavage – yes
• Fracture – fibrous or thin
• Uses – wallboard, plaster,
cement, plaster of Paris
CALCITE
CALCITE
Color – white, gray, clear,
yellow, red, brown, green, blue,
or orange
Luster – glassy
Hardness – 3
Streak – white
Cleavage – yes
Fracture – conchoidal
(rounded)
Uses – cement, medication,
paint, soil treatment, concrete
FLUORITE
FLUORITE
Color – purple, clear, yellow,
green, red, blue, pink, black
Luster – glassy
Hardness – 4
Streak – white
Cleavage – yes
Fracture – rounded to uneven
Uses – in drinking water,
ornamental, stone
APATITE
APATITE
Color – green, brown, blue,
yellow, violet, clear
Luster – glassy
Hardness – 5
Streak – white
Cleavage – no
Fracture – rounded
Uses – fertilizer, gemstone, part
of teeth and bones
ORTHOCLASE
(FELDSPAR)
ORTHOCLASE
(FELDSPAR)
Color – white, reddish, pink,
yellow
Luster – glassy
Hardness – 6
Streak – white
Cleavage – yes
Fracture – uneven
Uses – glass, ceramics,
gemstone
QUARTZ
(POINTS ON ROCK BASE)
QUARTZ
(POINTS ON ROCK BASE)
Color – clear, white, green, brown,
black, yellow, purple, gray, red,
pink
Luster – glassy
Hardness – 7
Streak – white
Cleavage – no
Fracture – conchoidal (rounded)
Uses – glass making, optical,
electronics
TOPAZ
TOPAZ
Color – green, yellow, amber,
clear, white, blue, pink
Luster – glassy
Hardness – 8
Streak – colorless, harder than
streak plate
Cleavage – yes
Fracture – uneven
Uses – gemstone
CORUNDUM
CORUNDUM
(UNCUT SAPPHIRES)
Color – gray, white, brown, red,
green, yellow, blue
Luster – glassy
Hardness – 9
Streak – colorless, harder than
streak plate
Cleavage – no
Fracture – conchoidal to uneven
Uses – abrasive, polishing,
gemstone, sandpaper
DIAMOND
DIAMOND
(CUT)
Color – clear, green, yellow,
red, blue, brown, orange,
black
Luster – brilliant
Hardness – 10
Streak – colorless, harder than
streak plate
Cleavage – yes
Fracture – conchoidal
Uses – gemstone, abrasive
Answer the following questions on pg. 11 in Science
Notebook? Write the questions.
1. What are the properties that were listed on the
PowerPoint?
2. What properties were listed in the handout and your
graphic organizer?
3. Are these properties enough to identify a mineral?
INDEPENDENT PRACTICE
Please complete assignment
quietly.(NO TALKING)
If you do not complete it in class
take it home tonight for homework.