| Gemstone Chart |
 Natural Eudialyte
eudialyte is a rare, plummy-red stone. Eudialyte's name comes from the Greek words "eu" and "dialytos", meaning "easy to dissolve" which refers to the mineral's solubility in acids.The stone's distinctive grey, black or white patterning gives each piece of jewelry a unique beauty.
Color: orange red
Categories: semi-precious stone
Crystal Group: Trigonal
Refractive Index: 1.596 - 1.602
Hardness: 5 - 6
Density: 2.88
Occurrence: Sweden; Kippaw,Canada
|  Natural Mawsitsit
Mawsitsit is a rare, intense green variety of jadeite found in Burma.Mawsitsit is named for its source location, the small village of Mawsitsit.It is found in only one deposit on earth..
Color: Green with black spots
Categories: semi-precious stone
Crystal Group: Not applicable
Refractive Index: 1.52
Hardness: varies, up to 7
Density: 2.5-3.2
Occurrence: Mawsitsit, Burma
|  Natural Opal
Opal is the most colorful of all gems. It is a form of silica chemically similar to quartz, but more like glass and containing a variable amount of water within the mineral structure. Its splendid play of color is unsurpassed, and fine examples can be more valuable than diamond. Precious opals (black and white) are cut and polished into cabochons and used in all forms of jewelry.
Color: White, green, blue, black, red, orange, violet, pink, grey, yellow.
Categories: precious stone
Chemical Composition: SIO2nH2O
Crystal Group: Amorphous
Refractive Index: 1.44-1.46
Hardness: 5.5 - 6.0
Density: 2.65 - 3.00
Occurrence: Czechoslovakia, Mexico, Honduras, Australia, Brazil, Tanzania.
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