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Howieite Image |
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Howieite Image |
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| Mineral: | Howieite: Na(Fe++,Mn++)10(Fe,Al)2Si12O31(OH)13 | |||||
| Comments: | Black vitreous radiating crystalline howieite. | |||||
| Location: | Longvale Quarry, Mendocino County, California, USA. | |||||
| Scale: | See Photo. | |||||
| Copyright: | © Jeff Weissman / Photographic Guide to Mineral Species | |||||
| Counter: | This Image has been shown 653 times | |||||
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