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Dominant species
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Feldspar
Chemical
Formula
KAlSi3O8-NaAlSi3O8-CaAl2Si2O8
Species
Silicates
Crystal
System
Triclinic
Mohs
Scale
6-6.5
Specific
Gravity
2.55-2.76
Feldspar6440
Feldspar6440
Feldspar6437
Feldspar6437
Feldspar6434
Feldspar6434
Feldspar6431
Feldspar6431
Feldspar6430
Feldspar6430
Feldspar6427
Feldspar6427
Feldspar6425
Feldspar6425
Feldspar6423
Feldspar6423
Feldspar6422
Feldspar6422
Feldspar6420
Feldspar6420
Feldspar6417
Feldspar6417
Feldspar6415
Feldspar6415
Feldspar6414
Feldspar6414
Feldspar6412
Feldspar6412
Feldspar6411
Feldspar6411
Feldspar6410
Feldspar6410
Feldspar6409
Feldspar6409
Feldspar6407
Feldspar6407
Feldspar6406
Feldspar6406
Feldspar6405
Feldspar6405
Feldspar6404
Feldspar6404
Feldspar6403
Feldspar6403
Feldspar6402
Feldspar6402
Feldspar6401
Feldspar6401
Feldspar6400
Feldspar6400