Prismatic arsenopyrite crystals, including a trilling (six-rayed star) twin, with tiny spear-shaped acanthite sprays. You can also see some light greenish yellow crystals of a possible beudantite group mineral. Width of view 2.5mm. Stack of...
Cuprian tarbuttite. Collected by Joan Lamond in 1999 on a Mineralogical Society of Victoria field trip.
Glassy brown bipyramidal crystals of a probable beudantite group mineral, with nearby yellowish-green material probably also the same species. Width 2.25mm. Collected underground. Stack of 90 images.
Olive green beudantite crystals, and some as an epimorph after a cubic mineral (pyrite?). Width 11mm. Stack of 80 images. Ex Jo Price Collection.
Joan Lamond Micro Collection 2006
