An interesting paragenesis. I think what has happened is that malachite was replaced by blue chrysocolla, then wulfenite crystals formed on that, then a later coating of paler chrysocolla covered the lot! Ex Jo Price...
Width of view 3.5mm. Stack of 55 images.
A fairly sharp dark green gahnite crystal on chrysocolla. Width of view 3.5mm. Stack of 35 images. Click on the image below for a higher resolution version.
Bladed crystals of azurite with green crystals of libethenite on pale blue chrysocolla. Width of view 3.5mm. Stack of 100 images. Click on the image below for a higher resolution version.
Olive green crystals of olivenite on pale blue chrysocolla. Not in the photo – clinoclase. Ex Mark Hallam Collection. Width of view 3.5mm. Stack of 40 images. Click on the image below for a higher...
Chrysocolla after veszelyite. Acquired by Joan Lamond from Harry Critchley in 1998.
Ex Joan Lamond Collection. Colourless gypsum crystals on green chrysocolla (labelled as pseudomalachite). Acquired by Joan in 1995 from John Toma while on a field trip to Lake Boga. Width 9mm. Stack of 30 images.
From Greg Dainty: This piece was collected, and labeled, by Norman Robinson, from an old exploration trench. Its hard to figure out exactly whats going on here, there is what appears to be chrysocolla replacing...
Pale green creaseyite crystals.
Two pieces. Bright gold on deep blue chrysocolla.
ex Joan Lamond Collection.
Three 5mm specimens, mounted side by side, with tiny yellow-green molybdofornacite crystals, orange-yellow wulfenite crystals and chrysocolla. The molybdofornacite from Dulcinea has been identified with semiquantitative and quantitative analysis by Dr. Jochen Schlater (curator of...
Pseudomorph of chrysocolla after boleite and pseudoboleite. From near to the Amelia Mine. Too fragile to mount so nestled in tissue.
A lovely shade of green mixite and blue chrysocolla, from the Gold Hill Mine (Western Utah Mine), Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA.
