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Pyroxene supergroup [abbr. Px ]

Year of discovery: 1889 (Japan)

Locality list: 1,426 localities of pyroxene

[A][B][(TO₃)₂]

A: [ 4+: Ti, Zr ][ 3+: Al, Fe, Cr, V, Ti, Sc ][ 2+: Zn, Mg, Fe, Mn ]

B: [ 2+: Mg, Fe, Mn, Ca ][ 1+: Li, Na ]

T: [ 4+: Si ][ 3+: Al, Fe ]

• [ A ][ B ]
• [ (Ca,Mg,Fe) ][ (Ca,Mg,Fe) ]: Ca-Mg-Fe pyroxene group
• [ (Ca,Na) ][B]: Ca-Na pyroxene group
• [ Na ][B³⁺]: Na pyroxene group

Others: [ (Mn,Mg,Li) ]

• Davisite
• Donpeacorite
• Esseneite
• Grossmanite
• Johannsenite
• Kanoite
• Kushiroite
• Petedunnite
• Spodumene

• Class: Inosilicate subclass < Silicate class
• Class: Inosilicate
• System: Monoclinic, Orthorhombic

Synonym: Picrophyll, Pitkarantite