Pyroxene〔輝石〕グループ

一般式　ABZ2O6　〔A=Ca,Fe2+,Li,Mg,Mn2+,Na,Zn；B=Al,Cr3+,Fe2+,Fe3+,Mg,Mn2+,Sc,Ti,V3+；Z=SAl,Si〕　で表わせる斜方晶系または単斜晶系の珪酸塩鉱物。
aegirine	NaFe3+Si2O6
augite	(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
clinoenstatite	Mg2S2O6
clinoferrosilite	(Fe2+,Mg)2Si2O6
diopside	CaMgSi2O6
donpeacorite	(Mn2+,Mg)MgSi2O6
enstatite	Mg2Si2O6
esseneite	CaFe3+AlSiO6
ferrosilite	(Fe2+,Mg)2Si2O6
hedenbergite	CaFe2+Si2O6
jadeite	Na(Al,Fe3+)2Si2O6
jervisite	(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
johannsenite	CaMn2+Si2O6
kanoite	(Mn2+,Mg)2Si2O6
kosmochlor	NaCr3+Si2O6
namansilite	NaMn3+Si2O6
natalyite	Na(V3+,Cr3+)Si2O6
omphacite	単斜輝石〔aegirine（Aeg）-jadeite（Jd）-augite（Aug）間の固溶体で、組成範囲はJd25-75Aug25-75Aeg0-25〕
petedunnite	Ca(Zn,Mn2+,Fe2+,Mg)Si2O6
pigeonite	(Mg,Fe2+,Ca)(Mg,Fe2+)Si2O6
spodumene	LiAlSi2O6
nchwaningite〔Mn2+2SiO3(OH)2・H2O〕は構造的に関連。このグループの命名法はI.M.A. Commission on New Minerals and Mineral NamesによるAm.Min.,73,1123-1133(1988)を参照。

• acmite　→　aegirine
• aegirine-hedenbergite　→　augite
• aegirite(aegyrite)　→　aegirine
• agalite　→　probably enstatite partly altered to talc
• aglaite　→　altered spodumene
• alalite　→　diopside
• alkali augite　→　aegirine-augite
• amblystegite　→　enstatite
• anthochroite　→　augite
• asteroite　→　iron-rich augite
• baikalite　→　diopside
• bastite　→　enstatite which has altered to serpentine, talc, or perhaps anthophyllite
• blanfordite　→　manganoan aegirine-augite
• bronzite　→　enstatite
• calc-clinobronzite　→　pigeonite
• calc-clinoenstatite　→　pigeonite
• calc-clinohypersthene　→　pigeonite
• calc-pigeonite　→　subcalcic augite
• canaanite　→　diopside
• chladnite　→　enstatite
• chloromelanite　→　omphacite or aegirine-augite
• chrome-acmite　→　chromian aegirine
• chromejadeite　→　chromian jadeite
• clinohypersthene　→　clinoenstatite or clinoferrosilite
• coccolite(kokkolith)　→　iron-rich augite
• cymatolite　→　altered spodumene
• diaclasite　→　altered enstatite
• diallage　→　diopside that has altered or that has good (100) parting; also used for alteration products of other pyroxenes
• diopsidjadeite　→　omphacite
• endiopside　→　magnesium-rich augite
• enstatite-diopside　→　magnesium-rich augite
• eulite　→　ferrosilite
• eulysite　→　ferrosilite
• fassaite　→　ferrian aluminian diopside or augite
• fedorovite　→　diopside
• ferroaugite　→　augite
• ferrohedenbergite　→　augite
• ferrohypersthene　→　ferrosilite
• ferro-johannsenite　→　iron-rich johannsenite
• ferropigeonite　→　iron-rich pigeonite
• ferrosalite　→　hedenbergite
• ficinite　→　enstatite
• funkite　→　hedenbergite
• germarite　→　altered enstatite
• hiddenite　→　spodumene
• hudsonite　→　hedenbergite
• hypersthene　→　enstatite or ferrosilite
• jadeite-aegirine(jadeite-aegirite)　→　jadeite or aegirine
• jeffersonite　→　zincian manganoan diopside or augite
• killinite　→　altered spodumene
• korea-augite　→　augite
• kunzite　→　spodumene
• lavroffite　→　diopside
• lavrovite　→　diopside
• laurowite　→　diopside
• leucaugite　→　diopside
• lime-bronzite　→　probably pigeonite or enstatite + augite, (“inverted” pigeonite)
• loganite　→　diopside + actinolite + talc
• lotalite　→　hedenbergite
• malacolite　→　diopside with good (001) parting, also diopside from Sala, Sweden
• mansjoite　→　augite or diopside or hedenbergite
• mayaite　→　omphacite
• mellcrite　→　orthopyroxene
• mondradite　→　probably an altered pyroxene
• mussite　→　diopside
• orthobronzite　→　enstatite
• orthoenstatite　→　enstatite
• orthoeulite　→　ferrosilite
• orthoferrosilite　→　ferrosilite
• orthohypersthene　→　enstatite or ferrosilite
• paulite　→　enstatite
• peckhamite　→　enstatite
• phastine　→　altered enstatite
• picrophyll　→　altered pyroxene?
• pigeonite-augite　→　probably subcalcic augite
• pitkarantite　→　pyroxene?
• potash-aegirine　→　synthetic product, probably not properly characterized
• protheite　→　augite
• protobastite　→　enstatite
• pyrallolite　→　altered pyroxene?, talc?
• pyrgom　→　pyroxene
• sahlite　→　diopside
• salite　→　diopside
• schefferite　→　manganoan diopside
• schillerspar(schillerspat)　→　enstatite that is altered to serpentine, talc, or anthophyllite
• shepardite　→　enstatite
• soda-spodumene　→　sodian spodumene
• strakonitzite　→　altered pyroxene, steatite?
• szaboite　→　partly altered enstatite
• titanaugite　→　titanian augite
• titandiopside　→　titanian diopside
• titanpigeonite　→　titanian pigeonite
• trachyaugite　→　augite
• traversellite　→　diopside
• triphane　→　spodumene
• tuxtlite　→　omphacite
• uralite　→　pseudomorph of amphibole after pyroxenes
• urbanite　→　iron-rich augite or aegirine-augite
• ureyite　→　kosmochlor
• vanadinaugite　→　vanadium-bearing augite
• vanadinbronzite　→　vanadium-bearing enstatite
• vargasite　→　altered pyroxene?
• victorite　→　enstatite
• violaite　→　augite
• violan　→　magnesium-rich augite or diopside