Search Webmineral :
A to Z
Mineral of the Month Club
Join the club, silver, gold and platinum-level memberships available as low as $10.00 a month
High quality mineral specimens mailed to your home or school each month
An affordable way to build your collection
SEM images of massive-granular calvertite. The texture is made apparent by the presence of a thin rind of chalcocite (white) on the calvertite grains. (CanMin, v45:1519).
Partly oxidized specimen from the Tsumeb mine, Tsumeb, Namibia.
This Image has been shown 5763 times