Quartz (Var: Smoky Quartz), Schorl, Albite, Microcline, Muscovite
Specimen ID: XMY-KLN
Schorl : NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Albite : Na(AlSi3O8)
Microcline : K(AlSi3O8)
Muscovite : KAl2(AlSi3O10)(OH)2
25cm x 20cm
Photo added to mindat.org
“Characteristic pegmatite piece.
In coll. H. Strunz.
Nikon D4; PC-E Nikkor 45/2.8 ”
Harald Schillhammer - 18th December 2015
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