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Groutite
Super-lustrous, jet-black groutite crystals richly line a vug in a very interesting quartz and massive manganese matrix from a mine near the Minnesota type locality. This is a very fine specimen of the species from a famous lucky strike in the 1980s. Rare on the market!
Unknown Owner
Product details
Species
SizeSmall Cabinet
Dimensions7.5 x 6.7 x 4.2 cm
Locality
Robert Mine (Roberts Mine; Kennedy Mine), Cuyuna Range, Crow Wing Co., Minnesota, USA
Added on10/23/2024
Comments
Known provenance
2024/08
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
Collectors of Groutite
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