Slender quartz crystal with goethite inclusions and unknown black rhombohedral species. Video best viewed full screen.
Acquired by Joan Lamond in 1996 from Harry Critchley.
Labelled as Paratacamite, Richard Bell
ex Bernie and Margaret Day Collection
4649 Goethite after pyrite, Mill Lane Farms, Valley Store, East Whiteland Township, Chester Co., Pennsylvania, USA
Single crystal pseudomorph of goethite after pyrite.
Joan Lamond Micro Collection 2006
Cederick Gineste 2/2005
ex Joan Lamond Collection
Goethite pseudomorphs after smithsonite(?)
A neat little spray of malachite, roughly 0.6mm across, from the lesser-known Mineral Hill deposit, the Iodide Mine (Mount Iodide Mine), Mineral Hill field, Condobolin district, Kennedy Co., New South Wales. Also present on the specimen...
Interesting bipyramidal pyrite crystals, somewhat altered to brown goethite (although you can see some original pyrite peeking through on the edges) on calcite from Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA. The main cluster...