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Fluorite with Calcite and Chalcopyrite
This small cabinet specimen from Ozark-Mahoning mine at Cave-in-Rock, Illinois, USA is a corner section of a relatively large Fluorite cube, the longest edge of which is at least 7.4 cm in length. Dominantly amber-yellow in colour, the colour intensifies internally to being almost opaque, but with a translucent to transparent appearance in the outer sections. The Fluorite crystal is crowded internally around its external edges with small, 1 to 2 mm, Chalcopyrite crystals. This outer, 3 mm wide zone, is also a different colour - grey. Small, gemmy, 2 to 3 mm long scalenohedral Calcite crystals coat the central part of the Fluorite faces providing added character. This might only be part of a crystal, but it is classic Cave-in-Rock and full of interesting detail like the colour zoning, rich inclusions and Calcite overgrowth. Ex Arvid Pasto collection no. 1803.
Unknown Owner
Product details
Species
SizeSmall Cabinet
Dimensions8.4 x 7.2 x 4.4 cm
Locality
Added on12/02/2024
Comments
Known provenance
2025/02
Unknown Owner
$350.00—Species and Locality Wiki Pages
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