Gemstone Chart (A Searchable Collection of Precious/Semi-precious Stone Information)
This is
a searchable collection of international precious stone/gem. With its sparkle and color, a gem can mystify and intrigue people. Most gemstone buyers purchase gems for making jewelry. But some buyers are gemstone collectors. The chart is resource for your
gemstone buying and collecting.
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| Gemstone Chart |
 Natural Rhodochrosite
Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3. The pink color of rhodochrosite is caused by the element manganese and it is formed when manganese is dissolved by ground water and combines with a carbonate material and then drips off the ceiling of caves and crevices deep underground.Rhodochrosite often forms pink and white bands. It is often carved into figurines or boxes while the tubular stalactite formations are often sliced for use in jewelry. Fine gem quality crystals are sometimes cut into gemstones for use in high end jewelry, but the more common grade is used extensively in silver and gold jewelry.
Color: Rose red, raspberry red, pink, grey, fawn, brown
Categories: semi-precious stone
Chemical Composition: MnCO3
Crystal Group: Trigonal
Refractive Index: 1.600 – 1.820
Hardness: 4
Density: 3.45 – 3.70
Occurrence: Argentina; Colorado, U.S.A.; Romania; Hungary; India; South Africa; Saxony, Chile; Peru; Mexico.
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Related Link: Gold Coins Chart Gold Bars Chart Diamond Size Chart Necklace Size Chart Ring Size Chart Ear Gauge Size Chart |
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