Coombsite
Watsons Beach, Clutha District, Otago Region, New Zealand
5.3 x 4.1 x 0.6 cm. Coombsite is an extremely rare potassium manganese iron magnesium aluminosilicate that is only found in three places in the world. This piece is from the type locality in New Zealand and features tiny brownish coombsite in a slabbed piece of soft pink colored massive rhodonite. This is one of only two pieces of this mineral ...
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