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Bobcookite with Halotrichite
specimen number:
2133065
location:
Blue Lizard Mine, San Juan Co., Utah, USA
description: Bobcookite is a very rare secondary copper aluminum phosphate mineral that forms in the oxidized zones of copper deposits. It was first described in 2008 and named in honor of mineral collector Bob Cook. The mineral typically occurs as tiny blue to blue green crystals or coatings associated with other secondary copper phosphates.
Pale blue bobcookite on matrix with halotrichite.
Size: 3.0 x 2.0 x 1.3 cm (thumbnail)
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