1. Education

Mica Schist Hand Specimen, Manhattan

In the Gallery of Metamorphic Rocks

Flat faces of mica schist may display only muscovite mica, but on the edges the magnifier shows quartz, feldspar, hornblende and garnet as other constituents.
All you see is mica
Photo (c) 2007 Andrew Alden, licensed to About.com (fair use policy)

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