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Pyroxene

Pyroxene is a silicate mineral that is found in many igneous and metamorphic rocks. Most of the mantle of the Earth is composed of pyroxene and olivine. It is found in lava and basalt.
Stamps featuring images of Pyroxene.

  • Pyroxene - Tristan Da Cuhna - 1978 -- 04/10/08 Pyroxene - Tristan Da Cuhna - 1978 -- 04/10/08

    Pyroxene - Tristan Da Cuhna - 1978

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