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Name Origin | The stone was named after Gilbert Adam, mineralogist who supplied the first specimens for study |
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Chemical Formula | Zn2(AsO4)OH + Co, Cu |
Color | Pale green, yellowish green, yellow (various shades), bluish green, green ( coloring agent is Cu); rose and violet shades (coloring agent is Co) |
Fracture | Uneven to subconchoidal |
Hardness | 3.5 on the Mohs scale |
Crystal System | Orthorhombic Dipyramidal; crystals elongated or equant |
Pleochroism | Colorless/blur-green/yellow-green pale rose/pale rose/pale purple pink/pale rose/colorless |
Cleavage | good 1 direction, {101} |
Specific Gravity (SG) | 4.32 - 4.68 |
Lustre | vitreous |
Occurrence: Secondary mineral in the oxidized zone of ore deposits
Note: Adamite is very soft stone (hardness of 3.5), therefore it is rarely used as gemstone and it is mainly collector's stone. Sometimes it is used for carving.
Note: Adamite is very soft stone (hardness of 3.5), therefore it is rarely used as gemstone and it is mainly collector's stone. Sometimes it is used for carving.
Continue reading about more color stones
Actinolite
Algodonite
Amber
Andalusite
Amblygonite
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Aragonite
Sapphire
Azurite
Jet
Chert
Crocoite
Danburite
Gaylussite
Gypsum
Actinolite
Algodonite
Amber
Andalusite
Amblygonite
Ruby
Aragonite
Sapphire
Azurite
Jet
Chert
Crocoite
Danburite
Gaylussite
Gypsum
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