Stilpnomelane Image

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Stilpnomelane

Large Stilpnomelane Image

Mineral:

Stilpnomelane: K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27·n(H2O)

Comments:

Golden metallic scaly stilpnomelane on pink orthoclase.

Location:

French Creek No. 2 Mine, near Saint Peters, Chester County, Pennsylvania, USA.

Scale:

See Photo.

Copyright:

© Jeff Weissman / Photographic Guide to Mineral Species

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