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Spinel
A sharp, euhedral, lustrous, indigo-blue, 1.2 x 1.1 cm, spinel crystal jauntily perched on contrasting off-white matrix from the Crazy Sphinx Mine in Helena, Montana. This is a highly representative and uncommon specimen from this locality, even with some (minimal but present) termination damage. Ex Bart Cannon Collection.
Unknown Owner
Product details
Species
SizeThumbnail
Dimensions1.2 x 1.1 cm
Locality
Crazy Sphinx Mine, Helena, Helena District (Spring Hill District), Lewis and Clark Co., Montana, USA
Added on10/23/2024
Comments
Known provenance
2024/08
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
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