North and Central Americas
1016 Gold, Second Broad river, Rutherford Co., North Carolina, USA
Four gold nuggets panned by Charles Willett in Second Broad River, Near Marion,, Rutherford Co., mounted on cork post (standard micromount support).
1013 Gold, Dahlonega, Lumpkin Co., Georgia, USA
Gold nugget panned by E Lee Wood. Mounted by Charles Willett on a cactus needle.
0963 Stilbite, Chlorite (Corrensite?), Natrolite, Kibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery Co., Pennsylvania, USA
Neal Yedlin mount. The label is affixed atop another label on one of the old carboard micromount display cases as were popular in the first half of the 20th Century. Display face measures 1.6×1.6cm. Specimen is mounted in typical Yedlin fashion on a pedestal.
0806 Halotrichite, Flux Mine (Goshen Mine), Flux Gulch, Alum Gulch, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA
A vintage David Shannon (with label) thumbnail with a 32x22mm display face. It makes for a prize-worthy halotrichite thumbnail in its own right.
0803 Metatorbernite, Heulandite, Ray Mine, Scott Mountain area, Mineral Creek District (Ray District), Dripping Spring Mts, Pinal Co., Arizona, USA
Said to be uncommon at the Ray Mine, this metatorbernite is beautiful and hardly even looks hydrated enough to be metatorbernite. Perched upon a bed of clear white heulandite crystals, this all makes for a glorious micromount. It’s flat on the surface of a chunk of wood or cork resting...
0794 Xanthoconite, Proustite, Dyscrasite, O’Brien Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Vintage micro. This specimen was part of the collection of micromount Hall of Famer (ind. 1997) Bill Henderson. According to Henderson’s label, Neal Yedlin, the most renowned of all micromounters, originally placed it into circulation, passing it on to Bentley Mins, whom we might assume to be the well known...
Deaccessioned 0654 Halite, Detroit Salt Company Mine (International Salt Company Mine), Detroit, Wayne Co., Michigan, USA
Excellent colourless transparent cubic crystals reaching 2.2 cm in diameter and is basically all halite with the large clear crystals on the top of the piece growing on a much smaller light tan crystal base. It measures 11.0×6.1x 4.1cm in size, weighs 4.4 ounces. It is also wonderfully FLUORESCENT ORANGE...
0537 Veszelyite, Black Pine Mine (Combination Mine; Black Pine Tailings; Black Pine Dump), Flint Creek Valley, John Long Mts, Philipsburg District (Flint Creek District), Granite Co., Montana, USA
Ex Joan Lamond 3195, but number does not match her Micro Collection Catalogue. Probably from her other mineral collection. Typical blue coloured crystals off matrix.
0526 Silver, New Nevada Mine, Cerro San Antonio, San Miguel, Batopilas, Chihuahua, Mexico
Listed as Newny Mine but likely New NV (New Nevada). Numerous Native Silver crystals in a ‘v’ form with an irridescent lustre.
0519 Guettardite, Brobdignag Mine, Anvil Mountain, Red Mountain District, San Juan Co., Colorado, USA
Labelled as from Ouray, but probably Brobdignag Mine. Black lusterous material in vugs in broken surface of the specimen.
0464 Sanidine, White Springs, Oregon, USA
Mounted on cork by the the late famous all-time master of micromounting, Neal Yedlin in a vintage cardboard box bearing his personal label on which he hand wrote the ID. Jack Slagle photos.
0421 Northupite, Searles Lake, San Bernardino Co., California, USA
Type locality. Single crystal from the 350 foot level. Collected around 1970.
0426 Boleite, Amelia Mine, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico
Boxed micromount with several cubic deep blue boleite crystals on matrix. These form in clay seams, so matrix specimens are fairly uncommon.
0424 Boleite, Pseudoboleite, Atacamite, Anglesite, Amelia Mine, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico
Boxed micromount with 6 tiny xl specimens mounted on a card. Specimens clockwise from top left: boleite cuboctahedron, cluster of boleite cuboctahedrons, pseudoboleite on boleite, atacamite, boleite cubes on white anglesite crystals. Centre: boleite cube.
0362 Iodargyrite, Belmont mine, Belmont District, Nye Co., Nevada, USA
Microcrystals in silicified rhyolite. Ex John L Baum. Ex Franklin Mineral Museum
0355 Terlinguaite, Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA
5x1mm area of flat-lying yellow-green terlinguaite crystals on 13mm wide matrix. Rare mercury mineral
0213 Millerite, Calcite, Grays Quarry, Hamilton, Hancock Co., Illinois
Millerite inclusions in calcite. Ex G. Tribbey, ex Delbert L. Oswald Coll.
0202 Corrensite, Chabazite, Stilbite, Kibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery Co., Pennsylvania
Tiny brown xls of this clay mineral coating chabazite rhombs with stilbite xls. Best with 30-40x
0182 Cinnabar, New Idria Mine (New Idria group; New Hope vein), Idria (New Idria), New Idria District, Diablo Range, San Benito Co., California
Multiple single crystals on matrix. Ex Paul Desautels, ex Delbert. L. Oswald Coll.
0178 Iridosmine, California, USA
Mounted on disk (5mm) on balsa pedestal in micromount box (2.2 x 2.2 x 2.0 cm) a specimen of multiple small nuggets. Ex Delbert L. Oswald. Ex Carnegie Museum #12327. Ex George English and Co.
0154 Iridosmine, California, USA
Mounted on disk (5mm) on balsa pedestal in micromount box (2.2 x 2.2 x 2.0 cm) a specimen of multiple small nuggets. Ex Delbert L. Oswald. Ex Carnegie Museum #12327. Ex George English and Co.