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Rare Minerals September 3, 2020 · 19 specimens |
CT514 - Linnaeite sold
Grüne Gold Mine, Schutzbach, Daaden-Herdorf, Altenkirchen District, Rhineland-Palatinate, Germany
Thumbnail - 2 x 1.5 x 1 cm
Small metallic crystals of Linnaeite on matrix. Linnaeite is a rare cobalt sulfide mineral.
CT529 - Manandonite sold
Manandona River, Sahatany Valley, Madagascar
Miniature - 4 x 2.5 x 2 cm
Specimen of pearly white Manandonite from the type and only locality for the species, the Antandrokomby pegmatite in Madagascar.
CT530 - Vantasselite sold
Bihain, Luxembourg Prov., Belgium
Thumbnail - 3 x 2 x 1 cm
Off-white pearly crystals of Vantasselite. From the type locality for the species.
CT417 - Canfieldite sold
Himmelsfürst Mine, Freiberg, Saxony, Germany
Thumbnail - 1.8 x 1.5 x 1.2 cm
Small 1-2mm crystals of Canfieldite, rare silver tin sulfide, that contrast well against the light colored matrix. Canfieldite is in the Argyrodite group of minerals. From MINDAT: Named in 1893 by Samuel Lewis Penfield in honor of Frederick Alexander Canfield [April 7, 1849 Randolph, New Jersey, USA - July 3, 1926), of Dover, New Jersey, USA. Canfield was a mining engineer and mineral collector.
CT473 - Laffittite with Orpiment and Realgar sold
Getchell Mine, Humboldt Co., Nevada, USA
Thumbnail - 3 x 3 x 1.5 cm
Laffittite in matrix with yellow Orpiment and red Realgar. From MINDAT: Named in 1974 by ZdenÄ›k Johan, Joseph Mantienne, and R. Picot in honor of Pierre Paul Laffitte (January 1, 1925 Saint-Paul-de-Vence, Alpes-Maritimes, France - ), director of BRGM (French Geological Survey), then director and president of Ecole Nationale Supérieure des Mines de Paris..
CT341 - Widgiemoolthalite sold
132 North Ni Mine (Mount Edwards Mine), Widgiemooltha, Western Australia, Australia
Small Cabinet - 5.5 x 3.5 x 2 cm
Thick layer of green Widgiemoolthalite on matrix. The Widgiemoolthalite is mostly massive light lime green with areas of darker green micro crystals. The 132 North open pit nickel mine has produced the greatest variety of secondary nickel minerals found anywhere in the world to date, some being the best of their species. It is the only locality for Widgiemoolthalite. Ex. Robert Phillips collection.
CT415 - Joaquinite with Neptunite sold
Gem Mine, San Benito Co., California, USA
Small Cabinet - 7.5 x 4.5 x 2.8 cm
Schist matrix covered by dozens of small tan crystals of Joaquinite, and likely many more present under the areas of white Natrolite. There are also a few black Neptunite crystals in association.
CT276 - McGuinnessite sold
Copper King Mine, Red Mountain, Mendocino Co., California, USA
Small Cabinet - 6 x 3.5 x 3.5 cm
Mcguinnessite is a rare Mg-Cu carbonate, a member of Rosasite Group and is named after well-known California mineralogist, Al McGuinness. The matrix is richly covered with radial clusters and hemispheres of teal-blue McGuinnessite on most sides. Comes with an old Chuck Trantham label that indicates it was collected by Chuck and Al McGuinness in May 1982 and valued at $40 at that time.
CT523 - Armstrongite sold
Dorozhnyi pegmatite, Khanbogd District, Ömnögovi Province, Mongolia
Thumbnail - 1 x 1 x 0.7 cm
Dark reddis brown Armstrongite from the type locality for the species. Named after American astronaut Neil Armstrong.
CT531 - Heinrichite sold
Wittichen, Black Forest, Germany
Miniature - 3.5 x 2 x 2 cm
Small yellow/green crystals of Heirichite on matrix, a rare mineral in the Autunite group of minerals.
CT314 - Decrespignyite and Tengerite sold
Paratoo Mine, Yunta, South Australia, Australia
Thumbnail - 2.5 x 1 x 0.8 cm
Two thumbnail sized specimens with blue Decrespignyite and white Tengerite.
CT291 - Barbertonite sold
Barberton, Transvaal, South Africa
Miniature - 5 x 3 x 2.8 cm
Sepentinite matrix richly covered and composed of purple Barbertonite. Barbertonite is a magnesium chromium carbonate mineral polymorphous with the mineral stichtite and, along with stichtite, is an alteration product of chromite in serpentinite. From the type locality for the species.
CT532 - Pararammelsbergite sold
Rammelsberg, Saxony, Germany
Miniature - 3.5 x 2 x 1.5 cm
Open vug filled with silvery grey crystals of Pararammelsbergite, a polymorph of Rammelsbergite in the Lollingite group of minerals.
CT500 - Schulenbergite sold
Bastenberg Mine, Ramsbeck, North Rhine-Westphalia, Germany
Miniature - 4.9 x 3.5 x 2 cm
Rare specimen of blue Schulenbergite, a hydrated copper zinc sulfate mineral, coating many sides of a white Quartz matrix. The Bastenberg Mine is an ancient lead and zinc mine and these specimens are hard to find. Comes with two old labels, one from Al McGuinness and one from Chuck Trantham showing his very old price of $100.
CT283 - Santaclaraite sold
Pennsylvania Mine, Sugarloaf Mountain, Black Wonder Mining District, Santa Clara Co., California, USA
Small Cabinet - 6 x 5.5 x 2 cm
Pink Santaclaraite from the type locality for the species. Ex. Chuck Trantham collection.
CT300 - Clinotyrolite sold
Bolivia Nickel Mine, Lovelock, Perhsing Co., Nevada, USA
Miniature - 4 x 1.5 x 1.5 cm
Blue/green Clinotyrolite on matrix. Ex. Chuck Trantham collection.
CT506 - Nissonite sold
Llanada Copper Mine, Panoche, San Benito Co., California, USA
Small Cabinet - 5.5 x 3 x 1 cm
Blue//green Nissonite, a rare phosphate mineral, on matrix from the type locality. Ex. Chuck Trantham collection. From MINDAT: Named for William H. Nisson (1912–1965), amateur mineralogist, mineral collector and dealer, of Petaluma, California, USA, who first noted the mineral.
CT548 - Liebigite sold
Schwartzwalder Mine, Ralston Buttes Mining District, Jefferson Co., Colorado, USA
Thumbnail - 1.5 x 1 x 1 cm
Yellow crystals of Liebigite, a rare uranium mineral, lining a vug in matrix. According to MINDAT, the Schwartzwalder uranium deposit, in the Front Range west of Denver, Colorado, is the largest vein-type uranium deposit in the United States. Named in honor of Justus Freiherr von Liebig, a chemist who is considered one of the principal founders of analytical and organic chemistry.
CT406 - Vaugnatite $200 available
Copper King Mine, Red Mountain, Mendocino Co., California, USA
Small Cabinet - 6 x 5 x 2.5 cm
