Acquired by Joan Lamond from Harry Critchley in 2002.
Goethite after Pyrite
5719 Goethite replacing Pyrite, Stellerite, Calcite, Lake Cooper quarry, Corop, Campaspe Shire, Victoria
Interpenetrant slightly rounded pyrite cubes, some with truncated corners, altering to brown goethite with prismatic colourless striated prismatic stellerite crystals and minor white calcite crystals. Width of view 3.5mm. Stack of 50 images.
A single cube of pyrite altering to goethite in a sandstone matrix. Width of view 9mm. Stack of 100 images.
ncat VHD10, Cassiterite, Goethite after Pyrite, Poldark Lode, Wheal Roots, Trevean, Wendron, Helston, Cornwall, England, UK
Very rare location. The site is only available to Chris Jewson. Very little in the literature about this very small mine.