Oftentimes ideal cuts are determined by the way light bounces off the crystalline structure of the stone. To identify a rough gemstone review its mineral qualities inspect its streak and examine its luster. Dec 28 2015 raw gemstone identification chart bing images. Interactive guide to the most popular gemstones. A variety of methods exist to determine the density and organization of a gem s atoms.
Lie the plate flat on a workbench table or desk so it s stable. The most common cut styles you will run across include faceted cabochon cameo bead and tumbled. Refractive index is the most important testing factor so the values given for these are published in ascending order. To made gemstone identification easy. Amazonite is an alkali feldspar mineral a potassium aluminum silicate.
It may also be found in colorado india madagascar namibia and russia. Check with your state s department of mines and minerals to locate regions suitable for rockhounding in your area. A streak plate is a square of unglazed porcelain that has a rough surface you can use to help identify the gemstone. Identifying gemstones comes down to chemistry although a layperson may identify a gemstone by its color discerning a gemstone s true identity often involves analyzing its atomic structure. It has a hardness of 6 to 6 5 and has green or blue green triclinic prismatic crystals.
RELATED ARTICLE :
While not a foolproof method of identification some gemstones are more likely to be cut in certain ways. Some important gemstones are not here yet. This stone can be found in white cream tan brown yellow and green shades. Gemselect s list of precious semi precious gemstones. Each gemstone has its own particular set of qualities you can catalog to help you with identification.Our labradorite comes from the gemstone quality rich region in madagascar. A streak test is a method used to find the color of a stone or mineral in powdered form. With over 130 gem varieties our gemstone index will help you find the perfect colored stone for your jewelry crystal healing needs. You can also use the arrow mark to sort in various orders. It gets its name from the amazon river in brazil.
You can find streak plates at your local hobby store or online. We are constantly working on expanding this list. You can use below search bar to find the specific gemstone by typing it s gemstone name example corundum. You can find streak plates at your local hobby store or online. Our labradorite comes from the gemstone quality rich region in madagascar.
You can use below search bar to find the specific gemstone by typing it s gemstone name example corundum. While not a foolproof method of identification some gemstones are more likely to be cut in certain ways. It may also be found in colorado india madagascar namibia and russia. Lie the plate flat on a workbench table or desk so it s stable. Oftentimes ideal cuts are determined by the way light bounces off the crystalline structure of the stone.
