STANNOMICROLITE

General Information:

Chemical Formula:

(Sn++,Fe++)(Ta,Nb,Sn++++)2(O,OH)7

IMA Status:

Approved IMA 1977

Physical Properties:

Color:

yellow brown.

Density:

8.34

Diaphaniety:

Translucent

Hardness:

4.5-5.5

Luster:

Adamantine

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