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Schorl from
Dumortierite Pegmatite Locality (MRDS - 10019821), Madison County, Montana, USA


Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Dumortierite Pegmatite Locality (MRDS - 10019821), Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:855823
Long-form Identifier:1:3:855823:7
GUID (UUID V4):0
Nearest other occurrences of Schorl
7.4km (4.6 miles) ⓘStone Creek pegmatite, Madison County, Montana, USA
22.1km (13.7 miles) ⓘCrystal Graphite Mine, Dillon Mining District (Carter Creek Mining District; Frying Pan Basin Mining District), Beaverhead County, Montana, USA
23.0km (14.3 miles) ⓘCamp Creek Corundum Occurrence, Beaverhead County, Montana, USA
45.2km (28.1 miles) ⓘRim Rock Deposit, Varney Mining District, Madison County, Montana, USA
67.6km (42.0 miles) ⓘPohndorf Mine, Toll Mountain, Boulder Batholith, Jefferson County, Montana, USA
68.9km (42.8 miles) ⓘLittle Gem Mine, Boulder Batholith, Jefferson County, Montana, USA
72.3km (45.0 miles) ⓘSappington deposit, Madison County, Montana, USA
74.1km (46.0 miles) ⓘRailroad Cut, Delmoe Lake Road occurrences, Pipestone Mining District, Jefferson County, Montana, USA
74.2km (46.1 miles) ⓘHomestake Pass, Boulder Batholith, Jefferson County, Montana, USA
79.6km (49.5 miles) ⓘBeehive #1 pegmatite, Goldflint Mountain, Boulder Batholith, Jefferson County, Montana, USA
References
Graham and Robertson (1951)
 
and/or  
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