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Betpakdalite-CaMg

Locality: Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Specimen Information: Click here to view analysis information and specimen details

RRUFF Project Specimen ID: R060242.2

Sample Description: Microprobe Fragment

Measured Chemistry: Mg_1.00Ca_2.00Fe³⁺_3.00(Mo_7.89W_0.11)_Σ=8((As_1.94P_0.06)_Σ=1O₄)₂O₂₈(OH)·23H₂O ; H not mesured but estimated by difference and stoichiometry; the lighter areas are richer in W.

Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia

Source: William W. Pinch

Yellow short prismatic crystals

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Photo added: 1st Jun 2010

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