Mineralogy Database

Johnwalkite Image

Search Webmineral :


Large Johnwalkite Image

Mineral: Johnwalkite: K(Mn++,Fe+++,Fe++)2(Nb,Ta)(PO4)2O2((H2O),OH)2
Comments: Fragment of translucent johnwalkite.
Location: Champion Mine, Keystone District, Pennington Co., South Dakota, USA.
Scale: Crystal length 1 mm.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
Counter: This Image has been shown 421 times
Image Links:

Web webmineral.com