FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday December 21st, 2017

Ends Thursday, December 21st, 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, carvings / lapidary items 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 auction include:

1. Classic rich orange colored GROSSULAR on matrix from the Jeffrey Mine, Quebec, Canada
2. An attractive RHODOCHROSITE specimen from the Champion Mine, near Lake City, Colorado (ex Dave Bergman Collection)
3. Beautiful green colored FLUORAPATITE crystals included ACTINOLITE ("BYSSOLITE") from Pakistan
4. Rarities include species such as UMANGITE and KOCHSANDORITE
5. Fine quality, matched pair of rich, beautiful green colored VARISCITE from Lucin, Utah
6. Assorted specimens from Brazil from the collection of Rolando Gioia
7. PAGE 2 features assorted minerals from the Kay Robertson Collection!
Filter By

Creedite (ex Kay Robertson Collection)
Akchatau Mine, Akchatau, Karagandy Province, Kazakhstan
4.1 x 2.1 x 1.5 cm
Boracite in Anhydrite (ex Kay Robertson Collection)
Luneburger Kalkberg, Luneburg, Lower Saxony, Germany
4.3 x 3.2 x 2.2 cm
Dioptase (rare locality) (ex Kay Robertson Collection)
Magma Mine, Superior, Pioneer District, Pinal Mts, Pinal County, Arizona
5.1 x 2.7 x 1.7 cm
Clinochlore with Calcite (ex Kay Robertson Collection)
Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam County, New York
6.3 x 4.2 x 2.8 cm
Natrolite on Phonolite (ex Kay Robertson Collection)
Phonolite Quarry (Richter Quarry), Hammerunterwiesenthal, Oberwiesenthal, Niederschlag-Baerenstein District, Erzgebirge, Saxony, Germany
9.2 x 5.3 x 4.3 cm
Azurite pseudomorphing to Malachite (ex Kay Robertson Collection)
105 Stope, 1900' Level, Campbell Shaft, Bisbee, Cochise County, Arizona
7.6 x 4.0 x 1.7 cm
Smithsonite (Cadmium-bearing) (ex Kay Robertson Collection)
Oronogo Field, Tri-State District, Jasper County, Missouri
6.5 x 4.0 x 1.5 cm
Cookeite on Quartz with "Faden" group (ex Kay Robertson Collection)
Stand-on-Your-Head No. 1 mine (Alum Creek prospect), Bland, Saline Co., Arkansas
5.0 x 5.0 x 3.3 cm
Uvarovite (ex Kay Robertson Collection)
Jacksonville (Jackson?), California
7.3 x 4.2 x 3.2 cm
Bravoite (rare) on Chalcopyrite (ex Kay Robertson Collection)
Maubacher Bleiberg, Untermaubach, Duren, Eifel, North Rhine-Westphalia, Germany
5.2 x 3.6 x 2.7 cm
Hauyne (ex Kay Robertson Collection)
Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy
4.0 x 3.7 x 2.6 cm
Fluorite with Calcite (ex Kay Robertson Collection)
Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou Prefecture, Hunan Province, China
5.9 x 5.2 x 3.6 cm
Hematite (iridescent) (ex Rolando Gioia Collection)
Itamarandiba, Minas Gerais, Brazil
3.6 x 3.1 x 1.3 cm
Hematite (botryoidal) (ex Kay Robertson Collection)
Vein 12, Tadaout, Taouz, Er Rachidia Province, Daaa-Tafilalet Region, Morocco
8.3 x 4.6 x 3.7 cm
Pyromorphite (ex Kay Robertson Collection)
Neue Hoffnung Mine, Niederdreisbach, Daaden, Siegerland, North Rhine-Westphalia, Germany
4.6 x 3.9 x 3.4 cm
Schorl (ex Kay Robertson Collection)
Santa Cruz, Mun. de Santa Cruz, Sonora, Mexico
8.0 x 7.7 x 3.3 cm
Descloizite on Calcite (ex Kay Robertson Collection)
Ahumada Mine (Erupcion Mine), Los Lamentos Mts, Mun. de Ahumada, Chihuahua, Mexico
7.7 x 4.1 x 3.9 cm
Mendipite (rare)
Mendip Hills, Somerset, England, UK
6.6 x 6.0 x 3.8 cm
Apophyllite with Stilbite (ex Kay Robertson Collection)
Well No. 3, Momin Akhada, Rahuri, Ahmadnagar District (Ahmednagar District; Ahmed Nagar District), Maharashtra, India
6.5 x 4.2 x 3.2 cm
Mineral Auctions