• For Educators

    • Topic: Earth Science

      Subtopic: Minerals and Resources

      Keywords: Feldspar, Mica, Minerals, Quartz, Granite, Mineralogy

      Audience: General

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This pink granite crystallized from magma. It contains potassium feldspar (pink), albite feldspar (white), quartz (gray), and biotite mica (black). The chemical composition is similar to that of the granite pegmatite.

Donated by New England Stone Industries, Inc., Esmond, Rhode Island