Gerhardtite from Ontonagon County, Michigan, USA - image 1
Gerhardtite from Ontonagon County, Michigan, USA - image 2

Gerhardtite from Ontonagon County, Michigan, USA

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Bluish green masses scattered across this matrix.

Product details

SpeciesGerhardtite
SizeSmall Cabinet
Dimensions6.3 x 3.0 x 3.0 cm
Added on11/17/2025
LocalityUSA, Michigan, Ontonagon County
Current owner
Unknown Owner
Acquired
Nov 2025
Price paid
$75.00
Previous owners
DateCollectorAcquisition price
—Weinrich MineralsNot disclosed

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Gerhardtite
Mineral guide
Learn about Gerhardtite
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Gerhardtite
Regional guide
Gerhardtite from Ontonagon County
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Locality guide
Ontonagon County
Ontonagon County, USA - famed for native copper and silver, diverse mineral styles from Keweenawan lodes to White Pine, and a Lake Superior palette.