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Biotite from
Martin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, 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
Comments:Ubiquitous as a rock-forming mineral. Also present as crude blades in ankerite veins.
Habit:anhedral to subhedral grains and crystals
Colour:brown, black
Luminescent properties:none
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Confirmation Details:Where Tested and Reference ID: K. Wood
Associated Minerals Based on Photo Data:
Quartz1
Ilmenite1
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Martin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:39903
Long-form Identifier:1:3:39903:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.8km (1.1 miles) ⓘTate Boulevard Industrial Park, Hickory, Catawba County, North Carolina, USA
8.6km (5.4 miles) ⓘSigmon Mine, Catawba County, North Carolina, USA
11.1km (6.9 miles) ⓘMoose Mine, Catawba County, North Carolina, USA
16.7km (10.4 miles) ⓘAbernathy Long Cut Mine, Catawba County, North Carolina, USA
20.5km (12.7 miles) ⓘFloyd Brittan Mine, Burke County, North Carolina, USA
23.2km (14.4 miles) ⓘUnnamed Magnetite Occurrence (MRDS - 10093822), Lincoln County, North Carolina, USA
27.2km (16.9 miles) ⓘAdams Hiddenite and Emerald Mine, Hiddenite, Alexander County, North Carolina, USA
27.8km (17.3 miles) ⓘO. F. Patterson Mine, Hiddenite, Alexander County, North Carolina, USA
28.8km (17.9 miles) ⓘCausby Gneiss Quarry, Morganton, Caldwell County, North Carolina, USA
29.0km (18.0 miles) ⓘLenoir Quarry, Lenoir, Caldwell County, North Carolina, USA
References
K. Wood collection
 
and/or  
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