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Cu3(CO3)2(OH)2
Monoclinic
Malachite, a copper carbonate hydroxide mineral, was noted in early lists by Vanuxem (1822) and others, but it has been unstudied since, and no physical, optical, or chemical data exist. It is known in minor amounts from both deposits, occurring as green druses of mm-sized small crystals and as individual crystals, crusts, and small masses and aggregates.
At Franklin, malachite was found intimately and consistently with the azurite occurrences noted herein and generally with the same associated minerals. Specimens labeled “Parker Shaft” also exist, but few records of occurrences were kept. The Sterling Hill occurrences are the same as those for azurite for the most part; Jenkins and Misiur (1994) reported an occurrence with oxidized sulfides.
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| Copyright © 1995 by Pete J. Dunn |
Website
by Herb Yeates
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Link
to homepage
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This
page created: January 11, 2001 |
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