Description: Fluorite Paisano Mine, Christmas Mts, Brewster Co., Texas, USA 5 cm. wide x 3 cm. across Fluorite, Paisano Mine, Christmas Mountains, Brewster County, Texas. 5 cm wide. This is a replacement deposit wherein fluorite has replaced Cretaceous limestone along bedding planes above a shallow rhyolitic laccolith. The deposit is typified by these unusual "Bird's Eye" oolitic replacement textures.

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