Varlamoffite

minerals

stannite

cassiterite

tin

Images

Formula: (Sn,Fe)(O,OH)2
Simple oxide, tin-bearing mineral
Specific gravity:
Hardness: 6 to 6½
Streak: Light yellow
Colour: Yellow
Solubility: Soluble with difficulty in acids
Environments

Hydrothermal environments

Varlamoffite occurs in the oxidised protions of stannite-cassiterite veins (Webmin).

Localities

At the Sardine mine, near Ewan, Kangaroo Hills district, Queensland, Australia, varlamoffite occurs in the oxidised portion of a stannite-cassiterite vein (Dana).

In Guangxi, China, varlamoffite occurs in a greisenised niobium-tantalum bearing stock, associated with cassiterite (Dana).

At the type locality, Kalima, Maniema, DR Congo, varlamoffite occurs in tin-bearing veins (AM 34.618).

At Sungei Lah (Sungei Lok), Chenderiang, Balang Padang, Perak, Malaysia, varlamoffite occurs on cassiterite (Dana).

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