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Plagioclase from
Chaney - Sims Beryl Prospects, Mayesville Mining District, Larimer County, Colorado, USA


Locality type:Prospect
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Chaney - Sims Beryl Prospects, Mayesville Mining District, Larimer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:378188
Long-form Identifier:1:3:378188:3
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
18.5km (11.5 miles) ⓘBig Narrows area, Larimer County, Colorado, USA
25.7km (16.0 miles) ⓘMica - Beryl Prospect, Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District), Larimer County, Colorado, USA
26.2km (16.3 miles) ⓘMica - Beryl Prospect (MRDS - 10087859), Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District), Larimer County, Colorado, USA
26.7km (16.6 miles) ⓘBig Boulder Mine (Big Boulder Beryl Mine), Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District), Larimer County, Colorado, USA
66.9km (41.6 miles) ⓘBerthoud meteorite, Weld County, Colorado, USA
69.3km (43.0 miles) ⓘLake Creek Mine, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA
71.1km (44.2 miles) ⓘBeryl No. 2 Prospect, Ward Mining District, Boulder County, Colorado, USA
71.5km (44.4 miles) ⓘBeryl No. 1 claim, Gold Hill Mining District, Boulder County, Colorado, USA
71.6km (44.5 miles) ⓘBeryl No. 1 Prospect, Ward Mining District, Boulder County, Colorado, USA
72.5km (45.0 miles) ⓘJohnstown meteorite, Johnstown, Weld County, Colorado, USA
References
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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