Franciscanite-III Image |
Mineral: | Franciscanite-III: Mn++6V+++++2Si2(O,OH)14 | |||||
Comments: | Dark reddish brown large franciscanite grains to 1.5cm in tan-colored gageite matrix. | |||||
Location: | Pennsylvania mine, Santa Clara Co., California, USA. | |||||
Scale: | 5.5 x 4 x 3cm. | |||||
Copyright: | © Tom Loomis / Dakota Matrix | |||||
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