isomorphic mineral

isomorphic mineral

[¦ī·sə¦mȯr·fik ′min·rəl]
(mineralogy)
Any two or more crystalline mineral compounds having different chemical composition but identical structure, such as the garnet series or the feldspar group. Also known as isomorph.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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A-Hydrothermal Metasomatic deposits in carbonate and dolomitic rocks: Through this process mechanism, when hydrothermal solutions penetrate into the dolomitic rocks, because the ionic radius of calcium is about 36 % bigger than that of the Magnesium, these two elements therefore cannot replace one another isomorphically; however because the Iron ionic radius is not so much different from that of the Magnesium, a series of isomorphic minerals like Magnesite, Hontite, Bronzitite and etc.
The role of structural and petrological elements in mineralization of hontite and magnesite in Ashin-Naein

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