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Dominant species
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Quartz
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stibnite
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New Gemstone
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Hemimorphite Gem facet Rings, pendants N..
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Fujian China Garnet Gem Facet Ring Penda..
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50g Forsterite Olivine Raw stone of gem ..
US $26.67
New Mineral specimens
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Large crystal spessartite garnet and Cit..
US $31.33
Manganese-aluminum Garnet Spessartine,Sm..
US $19.67
Manganese-aluminum Garnet Spessartine,Sm..
US $28
Orthoclase,Microcline,Plagioclase,Feldsp..
US $16.5
Manganese-aluminum Garnet Spessartine,Sm..
US $44.67
Garnet Spessartine Microcline Feldspar M..
US $24.67
Large crystal spessartite garnet and Cit..
US $44.33
Ruby Corundum Sapphire Mineral Specimens..
US $28
Inclusions Manganese-aluminum Garnet Spe..
US $44.67
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Vivianite
Name
 Vivianite
Chemical
Formula
 Fe3(PO4)2?8(H2O)
Species
 Phosphates
Crystal
System
 Monoclinic
Mohs
Scale
 1-2
Color
 Colorless, very pale green, becoming dark blue, dark greenish blue, indigo-blue, then black with oxidation
Luster
 Vitreous, Pearly, Dull
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