Name:________________________________ Date:______________________ Worth 30 points Birthstone Assignment Traditionally, a birthstone is associated with each month of the year. For example, the birthstone for January is a garnet, while lucky babies born in April get a diamond as their birthstone. For this assignment, research and record the listed information for the following chart. Also remember to list you sources at the end of the project. The origin of birthstones is believed to date back to the breastplate of Aaron which contained twelve gemstones representing the twelve tribes of Israel. The current list dates back to 1912 with only one addition since then – the tanzanite was added to December. There are numerous legends and myths about birthstone healing powers and their therapeutic influence. According to these legends, wearing a gemstone during its assigned month heightened its healing powers. For the full effect, individuals needed to own all twelve and alternate them monthly. Minerals: A mineral can be defined as a naturally occurring inorganic solid that possesses an orderly internal structure and a definite chemical composition. Some people, like physicists, might be guilty of picking up a rock and calling it a mineral. The term "rock" is less specific, referring to any solid mass of mineral or mineral-like material. Common rocks are often made up of crystals of several kinds of minerals. There are some substances, like opal, which have the appearance of a mineral but lack any definite internal structure, are sometimes called "mineraloids". Lutgens and Tarbuck give the following list of essential characteristics of a "mineral": It must occur naturally. It must be inorganic It must be a solid It must possess an orderly internal structure, that is, its atoms must be arranged in a definite pattern. It must have a definite chemical composition that may vary within specified limits." http://www.americangemsociety.org/birthstones http://hyperphysics.phy-astr.gsu.edu/hbase/geophys/mineral.html Name: Month – Gemstone January: Garnet February: Amethyst March : Aquamarine April: Diamond May: Emerald June: Pearl July: Ruby August: Peridot September: Sapphire October: Tourmaline October: Opal November: Topaz November: Citrine December: Tanzanite December: Zircon December: Turquoise History and Background Date: Mineral Type/Chemical Formula/Mineral Shape Group Hardness and other physical Where the Gemstone is found or interesting characteristics and what contributes to the color.