Howieite Mineral Gallery

Howieite Mineral Gallery
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Howieite Minerals

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Howieite Mineral Gallery With 2 Images

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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.
© Jeff Weissman / Photographic Guide to Mineral Species

Howieite Image

Click Here for Larger Image in New Browser Window Images:
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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.
© Jeff Weissman / Photographic Guide to Mineral Species