FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday April 12th, 2018

Ends Thursday, April 12th, 2018
at 6:45 PM (Central Time Zone)



We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from Tucson along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including Willard Wulff, Francesco Bedogné, Paul Zerfass, Rolando Gioia, and plenty of pieces from Kay Robertson along with various 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 auction include:

1. Gemmy, sculptural, blue-green TOURMALINE group from the Pederneira Mine, Brazil
2. Classic pink RHODOCHROSITE from the Santa Eulalia, Mexico)
3. SUPERB, large, highly lustrous, rare silvery colored bladed ANDORITE crystals with ZINKENITE from the San Jose Mine, Brazil
4. Classic deep red twinned crystals of CINNABAR on matrix from China (ex Francesco Bedogné Collection)
5. Rare MATRIX specimen of pinkish-purple IMPERIAL TOPAZ from Brazil
6. Multiple TOURMALINE specimens from Brazil from the collection of Rolando Gioia
7. Multicolor OPAL from Ethiopia
8. Page 2 features plenty of minerals from the Kay Robertson collection
Filter By

Wardite (2 specimen set) (ex Kay Robertson Collection)
Rapid Creek, Dawson Mining District, Yukon Territory, Canada
1.6 x 1.5 x 1.3 cm and 1.1 x 1.1 x 0.9 cm
"Adularia" (K-Feldspar) with "Moonstone" effect (ex Kay Robertson Collection)
Pizzo Lucendro, Lucendro Valley, Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland
1.8 x 1.7 x 1.5 cm
Azurite with Malachite (ex Kay Robertson Collection)
Santa Rosa Mine, Concepcion del Oro, Zacatecas, Mexico
3.5 x 3.1 x 2.1 cm
Siderite (ex Kay Robertson Collection)
Farmsen Clay Pit, Schellerten, Hildesheim, Lower Saxony, Germany
6.3 x 5.1 x 1.7 cm
Augite (var: Fassaite) (ex Kay Robertson Collection)
Pizmeda Mt., Monzoni Mts, Fassa Valley, Trentino-Alto Adige, Italy
6.2 x 4.6 x 2.1 cm
Chrysocolla coated by Quartz with Malachite (ex Kay Robertson Collection)
Miedzianka (Kupferberg), Jelenia Gora District, Rudawy Janowickie Mts, Lower Silesia (Dolnoslaskie), Poland
7.1 x 4.7 x 4.5 cm
Prehnite on Grossular Garnet (ex Kay Robertson Collection)
Vesper Peak, Sultan Basin, Sultan District, Snohomish County, Washington
7.8 x 5.3 x 3.2 cm
Chromian Clinochlore ("Kammererite") (ex Kay Robertson Collection)
Red Ledge Mine, Washington, Washington District, Nevada County, California
5.3 x 5.2 x 1.1 cm
Microcline (Baveno Twin) (ex Kay Robertson Collection)
Strzegom (Striegau), Swidnica District, Strzegom-Sobotka Massif, Lower Silesia (Dolnoslaskie), Poland
6.8 x 1.6 x 1.6 cm
Quartz (Morion) (ex Kay Robertson Collection)
Monteriggioni quarries, Monteriggioni, Siena Province, Tuscany, Italy
4.3 x 3.7 x 2.0 cm
Andradite Garnet with Clinochlore (ex Kay Robertson Collection)
Marki Khel, Spin Ghar range (Speen Ghar range), Khogyani District, Nangarhar Province, Afghanistan
2.6 x 2.0 x 1.6 cm
Bornite with Chalcopyrite (ex Kay Robertson Collection)
Miedzianka (Kupferberg), Jelenia Gora District, Rudawy Janowickie Mts, Lower Silesia (Dolnoslaskie), Poland
6.3 x 5.3 x 4.2 cm
Boracite on Anhydrite (RARE locality specimen) (ex Kay Robertson Collection)
Niedersachsen Potash Works, Wathlingen, Celle, Lower Saxony, Germany
6.2 x 4.3 x 2.3 cm
Adamite (Manganoan) (ex Kay Robertson Collection)
Ojuela Mine, Mapimi, Durango, Mexico
2.3 x 1.7 x 1.6 cm
Babingtonite on Quartz (ex Kay Robertson Collection)
Kandivali Quarry, Malad, Ward 38, Mumbai (Bombay), Maharashtra, India
4.0 x 2.7 x 1.3 cm
Pargasite / Hornblende (?) (Amphibole) (ex Kay Robertson and Collection)
Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam County, New York
8.7 x 6.2 x 4.1 cm
Pectolite (superb rare crystals) (ex Belsky Collection)
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Quebec, Canada
3.6 x 3.0 x 1.8 cm
Red Quartz
Tinejdad, Er Rachidia Province (Errachidia Province), Meknes-Tafilalet Region, Morocco
11.5 x 7.8 x 4.0 cm
Cosalite (free-standing crystals!)
Kara-Oba, Karagandy Province, Kazakhstan
5.0 x 2.8 x 2.3 cm
Gormanite (rare phosphate)
Rapid Creek, Yukon Territory, Canada
3.8 x 2.7 x 1.1 cm
Andradite Garnet
Ojos Espanoles Mine, General Lazaro Cerdenas, Mun. de Julimes, Chihuahua, Mexico
7.2 x 6.1 x 5.4 cm
Andradite Garnet (ex Kay Robertson Collection)
Stanley Butte, San Carlos, Pinaleno Mts, Graham Co., Arizona
6.2 x 5.2 x 3.2 cm
Aquamarine (rare locality specimen)
Hogg Mine (Oxford Mine), La Grange, Troup County, Georgia
2.1 x 2.1 x 1.9 cm
Caledonite (rare locality specimen)
Victoria Segunda mine, Pampa del Tamarugal, El Tamarugal province, Tarapaca Region, Chile
4.0 x 3.2 x 2.5 cm
Turquoise (great color)
Kingman, Hualapai Mts, Mohave County, Arizona
2.7 x 2.1 x 1.4 cm
Prehnite
Sandare District, Kayes Region, Mali
9.3 x 5.7 x 3.7 cm
Garnierite (Ni-bearing Silicate) (2 specimen set) (ex Kay Robertson Collection)
Szklary (Glasendorf), Zabkowice (Frankenstein), Z?bkowice Slaskie District, Lower Silesia (Dolnoslaskie), Poland
3.6 x 2.2 x 1.7 cm and 3.4 x 1.9 x 1.8 cm
Malachite pseudomorphs after Azurite
Sacramento Pit, Sacramento Hill, Bisbee, Warren District, Mule Mts, Cochise County, Arizona
7.3 x 4.7 x 3.7 cm
Mineral Auctions