Ludlockite

ludlockite

leiteite

germanite

schneiderhohnite

Images

Formula:PbFe³⁺₄As³⁺₁₀O₂₂
Arsenite
Crystal System: Triclinic
Specific gravity: 4.33 to 4.40 measured, 4.58 calculated
Hardness: 1½ to 2
Streak: Light brown
Colour: Orange red, orange brown
Environments

Hydrothermal environments

Localities

At the type locality, the Tsumeb mine, Tsumeb, Oshikoto Region, Namibia, ludlockite occurs in the germanite section of sulphide ore in a complex polymetallic hydrothermal ore deposit. Associated minerals include zinc-bearing siderite, tennantite, chalcocite, pyrite, bornite, germanite, quartz, leiteite, renierite, stolzite and schneiderhöhnite (HOM, Webmin, AM 57.1003-1004).

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