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Feldspar group [abbr. Fsp ]

Year of discovery: 1885 (Japan)

Locality list: 1,812 localities of feldspar

• [ A ][Al(Al,Si)Si₂O₈]

• Class: Tecto-Aluminosilicate

[ (K,Na,Rb,Ba) ]: Alkaline Feldspar subgroup

Adularia

Anorthoclase

Celsian

Filatovite

Hyalophane

Microcline

Orthoclase

Rubicline

Sanidine

[ (Na,Ca) ]: Plagioclase subgroup

Albite

Oligoclase (variety of Albite)

Andesine (variety of Albite)

Labradorite (variety of Anorthite)

Bytownite (variety of Anorthite)

Anorthite