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andesine

[an-duh-zeen]
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noun
  1. a mineral, intermediate in the plagioclase feldspar group, having a play of colors and usually found as crystals in igneous rocks.

Origin of andesine

1860–65; named after Andes; see -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for andesine

Historical Examples

  • These intermediate members are the lime-soda felspars known as oligoclase, andesine, labradorite and bytownite.

    Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2

    Various

British Dictionary definitions for andesine

andesine

noun
  1. a feldspar mineral of the plagioclase series consisting of an aluminium silicate of sodium and calcium. Formula: NaAlSi 3 O 8 .CaAl 2 Si 2 O 8

Word Origin

C19: from the Andes (where it is found) + -ine 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
andesine in Science

andesine

[ăn′də-zēn′]
  1. A white, gray, green or yellow mineral of the plagioclase feldspar group. Andesine occurs in igneous rocks such as andesite and diorite. Chemical formula: (Na,Ca)(Si,Al)4O8.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.