| Gemstone Chart |
 Natural Idocrase
Primarily a green color that will resemble jade.idocrase is one stone that is sometimes mistaken for jade by jewelers and consumers alike. Idocrase is from the greek and means mixed form, an allusion to its crystals showing a mixture of other mineral forms.
Color: normally green, but also can be brown, yellow, blue and/or purple.
Categories: semi-precious stone
Chemical Composition: nesosilicate or sorosilicate
Crystal Group: Tetragonal
Refractive Index: 1.71 - 1.73
Hardness: 6.5
Density: 3.3 - 3.5
Occurrence: Quebec, Canada; California and the New England region of USA; Mt Vesuvius, Italy; Ural Mountains, Russia, Switzerland, East Africa
|  Natural Scapolite
Scapolite is actually the name of a series between the sodium chloride rich mineral called marialite and the calcium carbonate rich mineral meionite.Scapolite was originally discovered in 1913 in the Mogok Stone Tract in upper Burma (Myanmar). Scapolite is a rare and little known gemstone. It is a beautiful gem that comes in many colors.
Color: white, yellow, violet,pink
Categories: semi-precious stone
Chemical Composition: Na4Al3Si9O24Cl /CA4Al6Si6O24CO3
Crystal Group: Tetragonal
Refractive Index: 1.54 - 1.577
Hardness: 6
Density: 2.6-2.71
Occurrence: Kenya, Mozambique, Madagascar, Burma, Brazil, Canada.
|  Natural Scheelite
Scheelite is a calcium tungstate mineral with the chemical formula CaWO4.With a hardness of 4.5 to 5 on the Moh's ScaleScheelite is a rather soft stone. Traditionally, it was considered a collector's gem and unsuitable for use in jewelry.
Color: Yellowish-white, brownish, orange yellow
Categories: semi-precious stone
Chemical Composition: CaWO4
Crystal Group: Tetragonal
Refractive Index: 1.918 - 1.937
Hardness: 4.5 - 5.0
Density: 5.9 - 6.1
Occurrence: Czechoslovakia; Italy; Switzerland; Finland; Cumberland, Cornwall, England; Santa Cruz, Sonora, Mexico; South Dakota, Conneticut, Colorado, Utah, California, Arizona, USA; New South Wales and Queensland, Australia; Mian Yang, and Ping Wu, Sezhuan, China; Hollinger Mine, Ontario, Canada;
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