Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Grossular from
Gilliam Vermiculite Deposit (Pony Vermiculite Deposit), Mineral Hill Mining District (Pony Mining District), Madison County, Montana, USA


Locality type:Deposit
Classification
Species:Grossular
Formula:Ca3Al2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Grossular data
Locality Data:Click here to view Gilliam Vermiculite Deposit (Pony Vermiculite Deposit), Mineral Hill Mining District (Pony Mining District), Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:656346
Long-form Identifier:1:3:656346:2
GUID (UUID V4):0
Nearest other occurrences of Grossular
29.5km (18.3 miles) ⓘBroadway Mine, Silver Star Mining District, Madison County, Montana, USA
34.6km (21.5 miles) ⓘDelmoe Road skarn, Delmoe Lake Road occurrences, Pipestone Mining District, Jefferson County, Montana, USA
35.6km (22.1 miles) ⓘPipestone Mine, Bald Mountain, Boulder Batholith, Jefferson County, Montana, USA
38.1km (23.7 miles) ⓘToll Mountain Occurrence, Little Pipestone Mining District, Jefferson County, Montana, USA
41.4km (25.7 miles) ⓘLimekiln Hill skarn occurrence, Silver Bow County, Montana, USA
66.6km (41.4 miles) ⓘElkhorn Iron Mine, Elkhorn Mining District, Jefferson County, Montana, USA
93.6km (58.1 miles) ⓘCrazy Sphinx Mine (Dry Gulch; Crazy Sphinx claim), Helena, Helena Mining District (Spring Hill Mining District), Lewis and Clark County, Montana, USA
References
American Mineralogist 50:292-293
 
and/or  
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