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Muscovite
Specimen ID:
G6R-7WT
Mineral(s)
Muscovite
:
KAl
2
(AlSi
3
O
10
)(OH)
2
Locality
Mindat locality:
Varney Mining District, Madison County, Montana, USA
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Photo added to mindat.org
“
Dimensions: 3" x 2.5" Old collection "Ruby Mica" from the Varney District in Montana. I can't find a source that indicates the source of the coloration, but it does have a very distinctive ruby-red hue.
”
John Krygier
- 25th March 2010
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