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Azurite


Mineral: Azurite, Malachite
Chemistry: Cu3(CO3)2(OH)2
Size: 72 mm
Owner: Harvard University
Photographer: Malcolm Southwood

A single, sharp, composite crystal of lustrous blue-black azurite (70 mm), altering to malachite at the base, from its point of matrix attachment.  The unaltered portion of the crystal is pristine and perfect.

The specimen was purchased from a Tsumeb miner (as part of a large collection) by Professor Charles Palache, during his visit to Tsumeb in April, 1922, indicating that it originated from above 8 Level (the lower limit of mine development at the time of his visit).  (Harvard University # MGHM 87480).

Courtesy  of  the  Mineralogical  &  Geological  Museum  at  Harvard  University,  Azurite; MGMH  ID# 87480, Tsumeb; Namibia. @ copyright 2012, President and Fellows of Harvard College. All rights reserved.