Cluster of gemmy colourless quartz crystals. Ex Roger Colling Collection #375. Probably collected down hill east of the Victoria Tower mine in the 1980s (Murray Thompson personal communication).
Perfectly-formed wurtzite crystals, doubly-terminated quartz, plus other sulphides? Purchased at Keystone, priced at $500.
Lovely cluster of colourless quartz crystals in parallel growth. Labelled as Jebel Imalo, Imilchil, High Atlas Mountains, Morocco.
Lovely cluster of colourless quartz crystals. Previous label – Dave Bunk Minerals with a $40 price tag – 5/05 Costa Mesa. Purchased at Keystone, priced at $50.
Cluster of doubly-terminated quartz crystals with unknown black minerals. Purchased at Keystone, priced at $12.
The Rocket. Group of beta-quartz like crystals that looks like a rocket ready for lift-off.
Attractive cluster of chlorite-included quartz. 73x47x47mm.
Matrix of quartz with individual colourless crystals to 13mm (largest doubly terminated). Specimen 53x40x20mm.
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...
Sharp crystals of sphalerite and galena. Purchased at Keystone, priced at $24.
Purple hexagonal apatite crystals on a pale smoky quartz with tourmaline inclusions and minor pyrite.
Many patches of gold in crystaline quartz with a few stannite crystals.
Old Foote specimen with Foote label on the back. Labelled as Sonoma Co.” but based on the crystal habit (divergent sprays of red crystals) and the matrix
Quartz pseudomorph after barite. Ex Brother Juan Salvador, FMS, a volunteer at the AMNH in the 1880s. His card apparently read One of the great treasures of my collection, 16/7/1884. Ex American Museum of Natural...
Purple cubes of fluorite on double quartz crystals. 57x35x22mm. #500640.
Two bluish green topaz crystals on a quartz matrix. Minor arsenopyrite, muscovite and purple fluorite. 45x45x30mm. #520679.
Small doubly-terminated quartz crystal with petroleum inclusions, many with bubbles (enhydros).
Clear quartz crystal with inclusions collected by Pierre Joubert on a friend’s farm near Ceres.
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
K & M Brown Collection
K & M Brown Collection
Joan Lamond Micro Collection 2006
Collected by Andrew Tuma 2006
Herkimer – Larry Rush 12/05
Herkimer – Larry Rush 12/05
Herkimer – Larry Rush 12/05
Dan Weinrich (ex Don Belcher coll’n)
Single unterminated brown crystal (dravite?).
Self Collected 2005
Diederik Visser 3/2005
Collected by Ray Grant 2001
Cederick Gineste 2/2005
One of the very first mineral specimens that I collected.
Nice Japan Law twin. See http://www.irocks.com/minerals/specimen/1471. Ex Marylin Dodge Collection.
Small bright gold nestled amongst quartz crystals.
Typical blue crystals with cerussite(?) on quartz.
Bright large translucent yellow barite crystals growing on very sparkly quartz crystal matrix. Barite is uncommon at this locality. Ex Mike Knew Collection. Mike Knew is the owner of Top Gem Minerals in Tucson, Arizona.
Collected. Gypsum post-mining?
Intense blue fluorite cubes on massive brown hematite with tiny colourless quartz crystals in cavities in the hematite
Bright red crystals in hausmannite and quartz matrix
Minsoc Xmas Auction
K & M Brown Collection
ex Joan Lamond Collection
Epidote and chlorite as inclusions
Yellowish silvery white calaverite with black coloradoite. Ex Jo Price Collection. Width of view 3.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Two quartz crystals fluoresce
