Name: |
apatite |
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Class: |
Phosphates/Arsenates/Vanadates |
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Chemistry: |
Ca5(PO4)3(F,CL,OH) |
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Color(s): |
Green, yellow, brown, red, yellow, blue, pink, white |
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Hardness: |
5 |
SpecGrav: |
3.1-3.2 |
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Fracture: |
uneven, conchoidal |
Cleavage: |
poor, unidirectinal |
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Crystal: |
hexagonal, usually short prismatic, sometimes tabular, often massive without form. |
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Envronment: |
Igneous rocks, and some metamorphics. In plutonic, granite pegmatites and hornfels. |
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Association: |
acmite, titanite, magnetite, albite, andradite, nepheline |
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Locals: |
Ontario, Canada/ San Diego, California/ Durango, Mexico |
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Misc: |
the name comes fro m the Greek, apate. which means "deceit". Because it is often confused with other gem minerals like beryl, olivine (peridot), and fluorite. |
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Photos |
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1.) Mine Ojuela, Mapimi, Durango, Mexico |
4.) Minas Gerais, Brazil |
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