MINERAL COLLECTION LIQUIDATION AUCTIONS (set 1 of 2) with OLD CLASSICS, NEW FINDS and RARITIES - ends Thursday July 19, 2018

ends Thursday July 19, 2018
at 6:30 PM (Central Time Zone)

A great mix this week featuring gem crystals from a Tourmaline collection plus old classics, contemporary beauties and rare species! We are continuing to process material from the wonderful old mineral collections of Kay Robertson along with fine minerals from numerous other collections and purchases including 1980s-90s specimens from the Ted Bartels Collection. Lots of old classics here that are hard to find at any price, let alone at auction!


Some of the highlights from this week's include:

1. NEW Erongo AQUAMARINE FIND
2. Specimens from the KEN ROBERTS & ROSS LILLIE collections
including a rare and fine SPESSARTINE GARNET
3. Large Michigan COPPER, Cobalt SILVER ore slab 4. Selection of fine RADIOACTIVE species
5. Kay Robertson Collection rarities and classics
6. Rare gem Austrian SPHENE thumbnail
7. Chinese QUARTZ "prase"
Filter By

Galena on Quartz (rare Arizona) Robertson Coll.
Weldon Mine, Ben Nevis Mountain, Quijotoa District, Pima Co., Arizona
4.8 x 4.1 x 2.5 cm
Wulfenite & Calcite (old) James Zigras Coll
Mina Ojuela, Mapimi, Durango, Mexico
8.3 x 6.5 x 6.5 cm
Unusual bi-colored Fluorite w/ Calcite (Ross Lillie Coll.)
Rosiclare Level, Annabel Lee mine, Hardin Co., Illinois
11.0 x 9.3 x 6.0 cm
Pyrite octahedrons (excellent) Ken Roberts Coll.
Racracancha mine, Tinyahuarco district, Pasco department, Peru
4.3 x 3.5 x 3.5 cm
Large rich Silver & Erythrite ore in Calcite
La Rose Mine, Cobalt, Ontario, Canada
21.3 x 11.7 x 2.0 cm
Pyrite (classic locale)
Navajun, La Rioja, Spain
7.9 x 6.5 x 5.7 cm
Fluorite (fluorescent) Robertson Coll.
Cardenchosa, Hornachuelos, Cordoba, Andalusia, Spain
7.8 x 7.1 x 2.3 cm
Calcite w/ Analcime (RARE old classic) Robertson Coll.
St Andreasberg, Harz, Lower Saxony, Germany
5.0 x 3.9 x 2.4 cm
Large Chalcedony (old)
Cornwall, England
16.0 x 10.5 x 7.5 cm
Albite var. Oligoclase (RARE - old)
Silberberg Mine, Bodenmais, Lower Bavaria, Bavaria, Germany
6.4 x 6.0 x 4.8 cm
Datolite (RARE old New Jersey)
Hoxie's Quarry, Paterson, Passaic Co., New Jersey
8.4 x 8.3 x 5.2 cm
Cuprite var. Chalcotrichite (RARE Arizona) Tom Hales Coll.
Morenci Mine, Copper Mountain District, Greenlee Co., Arizona
8.0 x 6.0 x 3.3 cm
Siderite on Chalcedony (RARE California) Robertson Coll.
Cady Mts, San Bernardino Co., California
8.0 x 5.7 x 2.2 cm
Large Quartz "prases" included by Hedenbergite
Huanggang Mine, Hexigten, Inner Mongolia A.R., China
14.0 x 11.0 x 7.7 cm
Torbernite on Hematite (Robertson Coll.)
Mount Painter No. 6 workings, Mt Painter area, North Flinders Ranges, South Australia, Australia
7.0 x 5.5 x 3.8 cm
Gem Amethyst (classic locale)
Piedra Parada (Las Vigas), Veracruz, Mexico
6.4 x 6.1 x 4.5 cm
Large DT Gypusm xl
Naica, Chihuahua, Mexico
13.0 x 8.7 x 4.2 cm
Autunite (superb classic USA find from 1950s! ) Robertson Coll.
Daybreak Mine, Mount Kit Carson, Spokane Co., Washington
4.2 x 3.5 x 2.9 cm
Bornite on Quartz (Robertson Coll.)
Dzhezkazgan, Karagandy Province, Kazakhstan
4.5 x 3.4 x 2.0 cm
Copper (classic locale)
Phoenix Mine, Keweenaw Co., Michigan
22.6 x 5.0 x 1.1 cm
Herbertsmithite (Anarakite) w/ Wulfenite (Rare) Robertson Coll.
Kali Kafi Mine, Anarak District, Esfahan Province, Iran
2.8 x 1.2 x 0.9 cm
Wherryite (Type Locality) & Diaboleite (Robertson Coll.)
Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona
1.5 x 0.9 x 0.7 cm (Largest of 3)
Doubly terminated Quartz xls (Robertson Coll.)
Piz Beverin, Mathon, Hinterrhein Valley, Grischun, Switzerland
3.5 x 2.7 x 2.1 cm
Chenevixite on Quartz (rare combo) Robertson Coll.
Chuquicamata Mine, Calama, El Loa Province, Antofagasta Region, Chile
1.5 x 1.5 x 0.9 cm
Torbernite (classic locale) Ted Bartels Coll.
Margabal Mine, Entraygues-sur-Truyere, Aveyron, Occitanie, France
2.4 x 1.6 x 1.5 cm
Pseudoboleite coating Boleite (Robertson Coll.)
Amelia Mine, Boleo District, Santa Rosalia, Baja California Sur, Mexico
0.8 x 0.7 x 0.6 cm
Quartz after Pyrite, Valencianite, Quartz & Chalcedony (rare)
Valenciana Mine, Guanajuato, Guanajuato, Mexico
9.8 x 9.0 x 4.2 cm
Large Azurite & Malachite (Ted Bartels Coll.)
Bou Bekker, Touissit, Jerada Province, L'oriental Region, Morocco
17.0 x 7.6 x 3.8 cm
Magnesite (RARE California) Robertson Coll.
McLaughlin Gold Mine, Knoxville District, Napa Co., California
5.7 x 5.5 x 3.8 cm
Manganoan Calcite, Pyrrhotite, Quartz & Ankerite
Dal'negorsk, Primorskiy Kray, Russia
10.9 x 7.8 x 7.8 cm
Mineral Auctions