Multiple fluorescent colours. Can’t see hemimorphite
Greenish tourmaline, could be dravite.
Purple fluorite crystals on quartz
More likely pyrite
Composed of honey yellow cubic fluorite crystals with inky blue color zone exterior edge phantoms. The specimen comes from the High Skears Mine, Middleton-in-Teesdale, Middleton, North Pennines, County Durham, England, UK. It measures 6.5×5.0×2.8cm in size, weighs 72 grams, and hosts cubic fluorite crystals reaching 1.0cm in maximum diameter. The...
Received in mail-trades in the 1980s with Jocelyn Thornton (New Zealand).
As green octahedral crystals. Received in mail-trades in the 1980s with Jocelyn Thornton (New Zealand).
Platy yellow thorikosite with globular fluorite, and white gypsum from the Lavrion District, Attikí Prefecture, Greece. Exact locality unknown.
Boulangerite crystals in fluorite from the Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou Prefecture, Hunan Province, China. Photo width 11mm.
Melkovite, U-Mo occurrence, Shunak Mts, Mointy Railway Station, Mointy, Balkhash Region, Karagandy Province, Kazakhstan. Type Locality. Certified (microprobe analyzed) sulfur-yellow melkovite, a rare hydrous Ca-Fe phosphate-molybdate, known only from the single locality in the world. Associated minerals are represented by dark-violet (almost black) fluorite, feldspars, hematite and very minor and...
Tiny cream calcite crystals on dark purple fluorite from the Hill-Ledford Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois – Kentucky Fluorspar District, Hardin Co., Illinois, USA. Largest fluorite 65mm across. Mined in the late 1950s or early 1960s. Ex A. E. Seaman Mineral Museum (# DM 24769).
Purple fluorite nestled in amongst dolomite crystals from Liter’s Quarry (Hanson Aggregates Irvington Quarry), Breckinridge Co., Kentucky, USA. While looking at this through my microscope, I assumed it was a cube of fluorite, but the photo shows more detail. It has tried to develop into an octahedron, but has ended...
Purple fluorite cubes with a number of other small faces, from Ungerhammerplatzl (Platzl), Unterlaussa, Altenmarkt bei Sankt Gallen, Liezen, Styria, Austria.
Colourless and purple fluorite cubes and colourless quartz crystals on white barite. Minor yellow wulfenite. Unknown black needles.
