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Ehrwaldite

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A lamprophyre of basanitic composition. Composed of titanian augite, biotite, serpentinised olivine and glass.


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Classification of EhrwalditeHide

Mineralogy of EhrwalditeHide

Essential minerals - these are minerals that are required within the classification of this rock:
GlassAn amorphous, homogeneous material with a random liquid-like structure generally formed due to rapid cooling.
Mica > BiotiteA series or subgroup of the Mica Group.
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.
SerpentineA group of phyllosilicate minerals.
Titanian Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6

References for EhrwalditeHide

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Le Maitre (ed.) (2002) Igneous Rocks - A Classification and Glossary of Terms. Cambridge Press

Internet Links for EhrwalditeHide

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