FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 1 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday December 21, 2017

Ends Thursday, December 21, 2017
at 6:30 PM (Central Time Zone)

A large auction set with special pieces from old and rare localities, new gem finds, and old collections all mixed together as we process and liquidate at auction many fine mineral collections. Enjoy! Look for incredibly rare old pieces from the Kay Robertson collection each week, mixed with other old classics and new mineral discoveries!


Some of the highlights from this week's auction include:

1. RHODOCHROSITE from the Sweet Home Mine
2. Large botryoidal grape AMETHYST from Indonesia
3. Rarities and classics from the Kay Robertson Collection
4. AQUAMARINE GEM CRYSTAL with movable BUBBLE!
5. Rare Colorado TOPAZ
6. Fantastic FLUORITE ball on large QUARTZ stalactite
7. Rare old Brazil red gem TOURMALINE
8. Large Spanish FLUORITE & BARITE
Filter By

Siderite on Galena (rare Colorado) Paterson Museum
White Raven Mine, Ward District, Boulder Co., Colorado
11.7 x 6.8 x 3.8 cm
Adamite (fluorescent!)
Mina Ojuela, Mapimi, Durango, Mexico
8.3 x 4.8 x 4.6 cm
Andradite Garnet var. Melanite (classic locale)
New Idria District, Diablo Range, San Benito Co., California
6.7 x 5.0 x 2.6 cm
Pyrrhotite, Quartz & Sphalerite (Sanabria Coll.)
Nikolaevskiy Mine, Dal'negorsk, Russia
11.7 x 7.4 x 6.2 cm
Cinnabar (Kay Robertson Coll.)
San Bartolo Mine, Charcas, San Luis Potosi, Mexico
5.8 x 4.5 x 4.3 cm
Large Stilbite & Mordenite (Sanabria Coll.)
Pune District, Maharashtra, India
16.1 x 8.3 x 6.7 cm
Large Quartz (Paul Zerfass Coll.)
Corinto, Minas Gerais, Brazil
18.7 x 14.1 x 13.6 cm
Gem Probertite xl (rare )
Kohnstein Quarry, Niedersachswerfen, Harz, Thuringia, Germany
1.0 x 0.3 x 0.2 cm
Hydroxylherderite XL & gem set
Brazil and Pakistan
2.2 x 1.2 x 0.7 cm (Largest of 2)
Gemmy DT Tourmaline (S. Schwarzinger Coll.)
Himalaya Mine, San Diego Co., California
4.3 x 2.5 x 2.1 cm
Pseudocubic Wulfenite (2008 find)
San Juan Poniente, Mina Ojuela, Mapimi, Durango, Mexico
5.4 x 4.5 x 3.8 cm
Wavellite (rich color)
Mauldin Mountain Quarries, Montgomery Co., Arkansas
7.3 x 6.5 x 3.8 cm
Rhodochrosite
Sweet Home Mine, Alma, Park Co., Colorado
6.8 x 4.5 x 2.7 cm
Fluorite & Calcite (Kay Robertson Coll.)
Canal dump, Niagara Falls, Welland Co., Ontario, Canada
7.5 x 4.3 x 4.1 cm
Large botryoidal "grape" Amethyst
Mamuju area, Sulawesi Barat Province, Sulawesi, Indonesia
12.8 x 11.5 x 5.3 cm
superb, floater "Hour-glass" Gypsum (classic locale) Robertson Coll.
Great Salt Plains, Jet, Alfalfa Co., Oklahoma
10.0 x 3.5 x 1.2 cm
Hematite (classic Arizona locale - rare!)
Big Bertha Mine, Dome Rock Mts, La Paz Co., Arizona
4.9 x 3.1 x 2.5 cm
Scheelite (fluorescent) Kay Robertson Coll.
Tenkergin Mine, Iul'tinskiy Mining Complex, Far-Eastern Region, Russia
4.7 x 3.7 x 1.9 cm
Breithauptite (Type Locality) & Smaltite ex Robertson Coll
St Andreasberg, Harz, Lower Saxony, Germany
3.1 x 2.6 x 2.3 cm
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