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Opal from
Dutro Mine (Old Dominion), Blue Cloud Mining District, Lewis and Clark County, Montana, USA


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Dutro Mine (Old Dominion), Blue Cloud Mining District, Lewis and Clark County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:497619
Long-form Identifier:1:3:497619:6
GUID (UUID V4):0
Nearest other occurrences of Opal
21.0km (13.0 miles) ⓘW. Wilson Mine (Liverpool Mine), Clancy-Lump Gulch Mining District, Jefferson County, Montana, USA
37.5km (23.3 miles) ⓘGolden Curry Mine (Sourdough mine; Jacqueline; Jacquemin), Elkhorn Mining District, Jefferson County, Montana, USA
89.6km (55.7 miles) ⓘThree Forks Placer, Gallatin County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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