Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load.
These mineral photos are copyrighted by their owners and may not be used without permission.
Comments: Dark red ball or sphere of cuprite crystals set on a pearly white dolomite crystal matrix.
Location: Tsumeb mine, Tsumeb, Namibia.
Scale: 5 x 2.5 x 4 cm.
© Dan Weinrich
Cuprite: Cu2O Chrysocolla: (Cu,Al)2H2Si2O5(OH)4Ěn(H2O)
Comments: Semi-metallic, dark reddish gray, cuprite crystals on blue chrysocolla.
Location: Mashamba West mine, Shaba, Congo.
Scale: 7.5 x 4.7 x 2.3 cm.
© Fabre Minerals
Comments: Red, acicular chalcotrichite crystals as a fine, fibrous red mass on matrix.
Location: Christmas mine, Gila Co., Arizona, USA.
Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix