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  • For Educators

    • Topic: Earth Science

      Subtopic: Minerals and Resources

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

      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

American Museum of Natural History

Central Park West at 79th Street
New York, NY 10024-5192
Phone: 212-769-5100

Open daily from 10 am-5:45 pm
except on Thanksgiving and Christmas
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