an·de·sine

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

Origin:
1860–65; named after Andes; see -ine2

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
andesine (ˈændɪˌziːn, -zɪn) [Click for IPA pronunciation guide]
 
n
a feldspar mineral of the plagioclase series consisting of an aluminium silicate of sodium and calcium. Formula: NaAlSi3O8.CaAl2Si2O8
 
[C19: from the Andes (where it is found) + -ine1]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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00:10
Andesine is always a great word to know.
So is doohickey. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a gadget; dingus; thingumbob.
American Heritage
Science Dictionary
andesine   (ān'də-zēn')  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Sodic andesine crystals commonly broken and with faint euhedral oscillatory zoning.
Most of the plagioclase is oligoclase, but sodic andesine is present in a few specimens.
Most crystals are andesine, but the composition ranges from oligoclase to labradorite.
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