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Franciscanite-III Image

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 Franciscanite-III

Large 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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