POST-TUCSON FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday April 5th, 2018

Ends Thursday, March 29th, 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, etched, ice-blue colored specimen of AQUAMARINE from Pedra Azul, Brazil
2. Classic pink RHODOCHROSITE from the Sunnyside Mine, Colorado (ex Dave Bergman)
3. GOLD on QUARTZ from Timmins, Ontario, Canada
4. An inside out pseudomorph of QUARTZ replacing TOURMALINE from Brazil
5. Newly mined, multicolor BANDED AGATE specimen from Zimbabwe
6. Rare matrix specimen featuring an "IRON ROSE" of HEMATITE on SMOKY QUARTZ from Brazil (ex Rolando Gioia)
7. Attractive green and colorless fluorescent OPAL-AN (Hyalite Opal) from Zacatecas, Mexico
8. Page 2 features plenty of minerals from the Kay Robertson collection
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Tetrahedrite on Pyrite (classic material) (ex Kay Robertson Collection)
Daly-Judge Mine, Park City District, Wasatch Mts, Summit County, Utah
5.0 x 3.0 x 1.3 cm
Azurite (excellent quality) (ex Kay Robertson Collection)
1200' Level, Cole Shaft, Bisbee, Mule Mountains, Cochise County, Arizona
4.6 x 4.2 x 2.7 cm
Natrolite (gemmy) (2 crystal set)
Chimney Rock Quarry, Bound Brook, Bridgewater Township, Somerset County, New Jersey
7.6 x 0.8 x 0.8 cm and 6.0 x 1.1 x 0.8 cm
Quartz (Tessin / Ticino Habit) (ex Kay Robertson Collection)
Val Nalps, Tujetsch (Tavetsch), Vorderrheintal, Graubunden, Switzerland
5.0 x 1.5 x 0.8 cm
Fluorite (classic material) (ex Kay Robertson Collection)
Wolsendorf Fluorite Mining District, Upper Palatinate, Bavaria, Germany
10.4 x 7.4 x 5.4 cm
Pickeringite (rare locale) (ex Kay Robertson Collection)
Laacher See (Laacher Lake), Vulkeneifel, Rhineland-Palantinate, Germany
4.3 x 3.2 x 2.1 cm
Azurite "Flowers" (ex Kay Robertson Collection)
Malbunka Cu Mine, Gardiner Range, Areyongo, Northern Territory, Australia
4.6 x 2.7 x 1.4 cm
Lollingite (Leucopyrite) (ex Kay Robertson Collection)
Zloty Stok, Zloty Stok Commune, Zabkowice Slaskie District, Lower Silesia, Poland
5.7 x 4.6 x 2.6 cm
Kieserite (2 pieces) (incredibly rare material!) (ex Kay Robertson Collection)
Hansa Mine, Lehrte, Hanover, Lower Saxony, Germany
3.1 x 2.3 x 1.4 cm and 2.3 x 1.7 x 1.3 cm
Pickeringite (rare material) (ex Kay Robertson Collection)
Kelly Mine, Randsburg, Rand District, Rand Mts, Kern County, California
5.7 x 4.1 x 2.3 cm
Diopside (ex Kay Robertson Collection)
Orford Nickel Mine, St-Denis-de-Brompton, Le Val-Saint-Francois RCM, Estrie, Quebec, Canada
5.6 x 2.5 x 1.8 cm
Pyrite (fine iron cross twins) (ex Kay Robertson Collection)
Vlotho, Herford, Eastern Westphalia, North Rhine-Westphalia, Germany
5.0 x 4.2 x 2.6 cm
Epidote (ex Kay Robertson Collection)
Calumet Iron Mine, Turret District, Chaffee County, Colorado
4.7 x 2.7 x 2.1 cm
Dolomite with Chalcopyrite (classic material) (ex Kay Robertson Collection)
Gosenbach, Siegen, Siegerland, North Rhine-Westphalia, Germany
9.4 x 4.2 x 3.2 cm
Sodalite (var: Hackmanite) (fluorescent)
Falsabad, Koksha Valley, Badakhshan Province, Afghanistan
6.3 x 5.2 x 2.4 cm
Mottramite (ex Kay Robertson Collection and Mineralogical Record Auction)
Total Wreck Mine, Cienega Creek, The Narrows, Empire District, Empire Mts, Pima County, Arizona
6.3 x 4.3 x 2.6 cm
Calcite (ex Obodda)
Dal'negorsk, Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
7.8 x 6.3 x 4.0 cm
Eosphorite (ex Kay Robertson Collection)
Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
4.3 x 3.2 x 1.3 cm
Aquamarine (130 grams)
Pedra Azul pegmatite district, Minas Gerais, Brazil
7.6 x 4.8 x 4.6 cm
Manganite (great old classic) (ex Kay Robertson Collection)
Ilfeld, Nordhausen, Harz, Thuringia, Germany (Type Locality)
7.7 x 6.1 x 3.2 cm
Halite on Trona
Owens Lake, Inyo County, California
12.3 x 9.3 x 5.2 cm
Rhodochrosite (ex Dave Bergman Collection)
Sunnyside Mine, near Silverton, San Juan County, Colorado
3.3 x 2.4 x 1.4 cm
Hubnerite (gemmy) on Quartz
Huayllapon Mine, Pasto Bueno, Pampas District, Pallasca Province, Ancash Department, Peru
6.3 x 4.7 x 4.7 cm
Chalcosiderite (old classic) (ex Kay Robertson Collection)
Phoenix United Mine, Minions, Linkinhorne, Liskeard District, Cornwall, England, UK (Type Locality)
3.8 x 3.2 x 2.4 cm
Mineral Auctions