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Aheylite

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Aheylite
Aheylite is a rare phosphate mineral with formula (Fe2+Zn)Al6[(OH)4|(PO4)2]2·4(H2O). It occurs as pale blue to pale green triclinic crystal masses. Aheylite was made the newest member of the turquoise group in 1984 by International Mineralogical Association Commission on New Minerals and Mineral Names.

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Mineralogy Database Dictionary

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Aheylite

General Information:
 Chemical Formula:
(Fe++,Zn)Al6(PO4)4(OH)8·4(H2O)
 IMA Status:
Approved IMA 1984
 Locality:
TL: Bolivia, Mina Flores mn, Huanuni district.
Physical Properties:
 Cleavage:
[???] Good
 Color:
blue green.
 Density:
2.85
 Diaphaniety:
Transparent
 Hardness:
5-6 - Between Apatite and Orthoclase
 Luster:
Vitreous - Dull
 Streak:
greenish white
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