PRE-DENVER SHOW MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - end Aug 31st, 2017

Ends Thursday, August 31st, 2017
at 6:45 PM (Central Time Zone)

This week's auction is filled with new material we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. You'll even find a few fossils, carving and gemstones mixed in every now and then. Look for pieces mixed in from various collections we've obtained including Willard Wulff, Kay Robertson, Francesco Bedogné, and Paul Zerfass, along with dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!


Some of the highlights from this week's include:
1. GEMMY bi-color pink and soft blue TOURMALINE from Afghanistan
2. INTENSE blue colored, gemmy cubic FLUORITE from Illinois (ex Kay Robertson Collection)
3. A beautiful CASSITERITE with AQUAMARINE on MUSCOVITE from BRAZIL that looks like it could be Chinese!
4. VERY HARD TO FIND NATIVE SILVER on matrix from Langban, Sweden!!
5. Classic "Rainbow" ANDRADITE GARNET from the Kohse Mine in Japan
6. Rarities include: ROXBYITE, HYDROXYLELLESTADITE, LEMMLEINITE-(Ba), COWLESITE, NENADKEVICHITE and KOSNARITE
Filter By

Epidote (classic material) (ex Kay Robertson Collection)
Farsku dul (Pfarrerb), Sobotin (Zoptau; Zoeptau), Sumperk (Mahrisch Schonberg), Olomouc Region, Moravia, Czech Republic
4.1 x 2.7 x 1.5 cm
Calcite (GEM twin) (ex Willard Wulff Collection)
Calcite Operators Inc. Mine, Brackett Creek, Clyde Park, Park County, Montana
6.2 x 3.7 x 3.6 cm
Crocoite (ex Franceso Bedogne Collection)
Red Lead Mine, Dundas mineral field, Zeehan district, Tasmania, Australia
7.8 x 6.2 x 3.8 cm
Prehnite with Epidote inclusions
Sandare District, Kayes Region, Mali
3.7 x 3.1 x 2.3 cm
Agatized Coral (fossil/pseudomorph)
Tampa Bay, Hillsborough County, Florida
10.7 x 10.4 x 7.8 cm
Andradite with Epidote
Marki Khel, Spin Ghar range (Speen Ghar range), Khogyani District, Nangarhar Province, Afghanistan
4.6 x 4.0 x 2.1 cm
Ammonite (var: Ammolite)
Ambato-Boeni District, Boeny Region, Mahajanga (Majunga) Province, Madagascar
3.4 x 2.7 x 0.7 cm
Kernite (rare)
U.S. Borax open pit, U.S. Borax Mine, Kramer Borate deposit, Boron, Kramer District, Kern County, California
4.8 x 0.7 x 0.5 cm
Gypsum with sand inclusions
Great Salt Plains, Jet, Alfalfa County, Oklahoma
6.7 x 5.7 x 2.7 cm
Cassiterite with Quartz (ex Madrid Collection)
Huanuni Mine, Dalence Province, Oruro Department, Bolivia
2.7 x 2.1 x 1.2 cm
Cuprite (var: Chalcotrichite) (ex Kay Robertson Collection)
Tsumeb Mine, Tsumeb, Ojikoto Region, Namibia
5.1 x 5.0 x 3.3 cm
Roxbyite (extremely rare) (ex Matioli)
Olympic Dam Mine, Roxby Downs, Stuart Shelf, South Australia, Australia (Type Locality)
2.2 x 2.0 x 0.9 cm
Hydroxylellestadite (2 specimens) (ex Josef Vajdak)
Chichibu mine, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Kanto Region, Honshu Island, Japan (Type Locality)
2.1 x 1.7 x 0.4 cm and 2.1 x 1.3 x 0.9 cm
Kosnarite (incredibly rare) (ex Rich Kosnar Collection)
Jenipapo district, Itinga, Taquaral, Minas Gerais, Brazil
2.2 x 1.7 x 1.1 cm
Monazite-(Ce) (color change twinned crystals!)
Siglo XX mine, Llallagua, Bustillos Province, Potosi Department, Bolivia
2.8 x 2.1 x 1.7 cm
Vanadinite (ex Brian Kosnar Collection)
Rowley Mine, Theba, Painted Rock Mts, Maricopa County, Arizona
3.0 x 2.7 x 1.7 cm
Cylindrite (very rare)
Poopo town, Poopo Province, Oruro Department, Bolivia
4.2 x 2.7 x 1.7 cm
Smithsonite with Cuprian Adamite
Agios Konstantinos (Kamariza), Lavrion (Laurion) District, Attiki (Attika) Prefecture, Greece
3.7 x 2.2 x 1.7 cm
Lemmleinite-(Ba) (extremely rare)
Kovdor Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
5.2 x 5.1 x 3.9 cm
Olivenite with Malachite and Cornwallite
Ibiajara district, Rio do Pires, Bahia, Brazil
3.7 x 2.3 x 1.3 cm
Cowlesite (rare Zeolite) (ex Kay Robertson Collection)
Neer Road, Goble, Columbia County, Oregon (Type Locality)
3.3 x 2.7 x 2.2 cm
Leifite with Nenadkevichite (rare) (ex Francesco Bedogne Collection)
Poudrette quarry, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada
3.3 x 3.2 x 1.2 cm
Kryzhanovskite (incredibly rare)
Rapid Creek, Dawson Mining District, Yukon Territory, Canada
3.2 x 2.8 x 2.6 cm
Pyromorphite
Daoping Mine, Gongcheng, Guilin area, Guangxi Zhuang Autonomous Region, Central South Region, China
3.7 x 1.9 x 1.7 cm
Fluorite (superb color) (ex Kay Robertson Collection)
Cave-in-Rock Sub-District, Hardin County, Illinois
5.7 x 4.2 x 3.7 cm
Nagyagite (great quality) (ex Francesco Bedogne Collection)
Sacarimb (Sacaramb; Nagyag), Deva, Hunedoara Co., Romania (Type Locality)
5.0 x 2.8 x 2.8 cm
Hyalite Opal coating Rutile
Novo Horizonte, Bahia, Brazil
4.3 x 1.3 x 0.7 cm
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