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A colorless to white variety of feldspar that is classified both as plagioclase feldspar and alkali feldspar, contains a high proportion of sodium to calcium and potassium and is a common constituent of igneous, metamorphic, and sedimentary rocks.
al·bit′ic (-bĭt′ĭk), al·bit′i·cal (-ĭ-kəl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
related to or formed of albite
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014