Augite: Mineral information, data and localities.

Pyroxene Group, Clinopyroxene Subgroup. In the Ca-Fe-Mg (diopside-hedenbergite-augite) quadrilateral, the ideal structural formula is M2M1[Si2O6], where M2

Augite – WGNHS – UW–Madison

Augite, Pyroxene, Igneous Rocks, Olivine

Hypersthene - Wikipedia

Nephelinite: Mineral information, data and localities.

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Augite: The pyroxene mineral Augite information and pictures

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Augite Mineral Specimen For Sale

e-Rocks Mineral Auctions

Leucite: Mineral information, data and localities.