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...
A zoned tourmaline, part foitite, part elbaite, according to the label, from the Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA. It has broken at some point in its geological past, and...
Red realgar and yellow orpiment from the Getchell Mine (North Pit; Center pit; South pit), Adam Peak, Potosi District, Osgood Mts, Humboldt Co., Nevada, USA. Interesting to see the crystallisation of each species seemingly oriented...
Realgar and pyrite from the famous Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland.
Analcime crystals from the Faroe Islands, Denmark. Labeled as Færøerne, Iceland. Ex John Lewis Collection.
Fibrous to acicular crystals of cacoxenite from Mason Pass, Yerington, Yerington District, Singatse Range, Lyon Co., Nevada, USA. Ex Hatfield Goudey (of goudeyite fame). Ex John Lewis Collection.
Bornite pseudomorph after chalcocite, Belmont Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA. Labelled as A Vein, 3000 Level. Ex Hatfield Goudey. Ex John Lewis Collection.
Purple fluorite cubes with a number of other small faces, from Ungerhammerplatzl (Platzl), Unterlaussa, Altenmarkt bei Sankt Gallen, Liezen, Styria, Austria.
An uncommon borate species, vonsenite, from Manziana, Bracciano Lake, Rome Province, Latium, Italy.
The tabular tunisite crystals look like colourless wulfenite crystals. The long thin crystals are celestine, and there is also calcite with brownish cores present. Specimen is from Condorcet, Drôme, Auvergne-Rhône-Alpes, France.
A group of golden titanite crystals, the front one being 2mm across, from Plattenkogel north slope, Anlauf valley, Gastein valley, Hohe Tauern, Salzburg, Austria. Other species present include adularia, a chlorite-group mineral, and albite.
Striking blue kinoite on colourless crystals of hydroxyapophyllite-(K) from the Christmas Mine (Red Bird shafts; Inspiration Mine; Hackberry shafts), Christmas, Christmas area, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA. One of my favourite...
Yellow hexagonal zincite crystals from the An der Seilbahn slag locality, Hüsten, Arnsberg, Sauerland, North Rhine-Westphalia, Germany.
Prismatic and acicular topaz crystals, with opal coating tridymite, and also capping one of the topaz crystals, from the Conca Cannas quarry, Masullas, Mt. Arci, Oristano Province, Sardinia, Italy.
Fragile tufted kidwellite from Indian Mountain, Cherokee Co., Alabama, USA. Collected in or before 1983.
A couple of very sharp analcime crystals nestled amongst pale pink kutnohorite from the Emilie Mine (Bülten-Adenstedt Mine), Peine, Lower Saxony, Germany. It’s nice to see zeolites in unusual combinations.
A lovely red almandine crystal as an inclusion in muscovite mica from the Spotted Tiger Mine, Mt Riddock Station, Harts Range (Harts Ranges; Hartz Range; Hartz Ranges), Central Desert Region, Northern Territory.
Monazite-(Ce) crystals make up most of the matrix of this specimen from Cow Flat (Bower Bird), Torrington, Clive Co., New South Wales. A couple of smoky quartz crystals are embedded. Ex Australian Museum, Sydney.
Monazite (dominant REE unknown), Kings Bluff Diggings, Olary, Olary Province, South Australia, Australia.
Stunning yellow stolzite crystals associated with cream-yellow-brown hoppered pyromorphite from the old Broken Hill Proprietary Mine (Proprietary Mine; BHP Mine), Broken Hill, Yancowinna Co., New South Wales.
One of the most iconic smoky quartz localities in Australia, Mooralla, Southern Grampians Shire, Victoria. This locality, which is a designated fossicking area, has produced many stunning smoky quartz specimens since the 1960s. They occur...
A classic Australian saléeite from the Ranger Mine (Ranger Uranium Mine), Kakadu, West Arnhem Region, Northern Territory. Highly fluorescent as can be seen in the photo below.
Lovely pale blue decrespignyite-(Y) from the Type Locality, Paratoo copper mine, Yunta, Olary Province, South Australia. Specimen is 35mm wide.
Hard to photograph these very glassy crystals of gmelinite-Na from Cairns Bay, Flinders area, Victoria.
Blue-green pseudomalachite balls on dark green libethenite crystals from the Lake Boga granite quarry, Lake Boga, Swan Hill Rural City, Victoria.
Colourless and purple fluorite cubes and colourless quartz crystals on white barite. Minor yellow wulfenite. Unknown black needles.
Classic Red Cloud wulfenite crystal group with tiny mimetite crystals.
2.2×1.6×1.5cm specimen of dioptase crystals with wulfenite crystals and zincian dolomite or minrecordite (not known if tested) from Tsumeb, Namibia. Ex Virgin Valley Sales. View Larger Map | Get Directions
Specimen is 40mm across.
