Question:

Zultanite!!!!!!!!!!?

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crystals? cleavage and fracture? color? streak and luster? hardness? specific gravity? where can be found? what is used for?

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  1. Transparent, changes from green to pink depending on light - green in sunlight, pink in dim light

    Only found in Turkey

    Perfect cleavage (same cleavage as diamond)

    Chemical Formula: ALO(OH)

    Chrystal Structure: Orthorhombic

    Hardness:  6.5-7.0 on the Mohs' scale.

    Refractive Index:  1.70-1.75

    Birefringence:  0.048

    Density:  3.4

    Gem Family: unique variety of mineral species Diaspore

    Yields less then 2%

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