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Inosilicates
Single Chained and Double Chained

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General Pyroxene Group
XY(Al,Si)2O6
Augite Pyroxene
(Ca,Na)(Mg,Fe,Al)(Al,Si)2O6
augite.JPG (33072 bytes)
General Amphibole Group
(X,Y,Z)7-8(Al,Si)2Si6O22(OH)2
Hornblende Amphibole
Ca2(Mg,Fe,Al)5(Al,Si)8O22(OH)2

hornblende.JPG (41867 bytes)