Fluorite With Calcite

Unknown Owner

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This unusual Naica piece is more starkly octohedral than others you normally see from the locale. It is actually the only OLDER specimen slipped into this update of newer material. It dates from, probably, the early 1980s. The piece has two large octos in the middle, coated in front by a blanket of dogtooth calcites. The contrast is very nice! The octos have SLIGHT cubic modifications, you can see, at their very tips. But they are still more octo than cube by far and as such are the exception at Naica.