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cleavelandite
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cleavelandite

mineral
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Quick Summary

Cleavelandite is a white, lamellar variety of albite, a type of feldspar mineral. Feldspars are crucial rock-forming minerals, and their identification helps classify rocks, particularly igneous ones.12

Cleavelandite is specifically a variety of plagioclase feldspar that forms lamellar masses found in complex pegmatites. While distinguishing between different feldspars can be complex, cleavelandite's appearance as a white, platy form of albite is a key characteristic.21

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2 Britannica Sources
  1. cleavelandite
  2. feldspar - Identification of specific feldspars

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