Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
New England Materials quarry, Monroe, Fairfield County, Connecticut, USA


Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Albite1
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view New England Materials quarry, Monroe, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:885787
Long-form Identifier:1:3:885787:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
6.9km (4.3 miles) ⓘCorporate Drive, Long Hill, Trumbull, Fairfield County, Connecticut, USA
7.5km (4.7 miles) ⓘOld Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
9.7km (6.1 miles) ⓘLittle Laurel Lime Park, Seymour, New Haven County, Connecticut, USA
12.1km (7.5 miles) ⓘCurtis Quarry, Southford, Southbury, New Haven County, Connecticut, USA
13.8km (8.6 miles) ⓘArsenic and nickel mine (Nickel Mine Brook), Seymour, New Haven County, Connecticut, USA
14.0km (8.7 miles) ⓘRedding Glen, Redding, Fairfield County, Connecticut, USA
15.8km (9.8 miles) ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA
16.0km (9.9 miles) ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA
16.3km (10.1 miles) ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
17.5km (10.9 miles) ⓘGreen's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA
References
Notes by Jeremy Zolan
 
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