FINE MINERAL COLLECTION LIQUIDATION AUCTIONS - end THURSDAY July 6, 2017 (set 1 of 2)

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

FEATURING MANY SPECIMENS FROM OLD MINERAL COLLECTIONS! Most of the specimens here are from old stashes and purchased dealer inventories that you cannot as easily find in today's market as in the past. This week will highlight some rare Arizona locality pieces recently obtained in a collection purchase. We also feature more choice pieces, including many of $500 value and up, from the old Obodda material, and the Kay Robertson Collection.

We are honored to announce the purchase of several large collections including the fantastic Kay Robertson collection of 10,000 specimens, filled with European treasures and old classics accumulated since she started collecting in 1928 (see our website for more information: http://www.irocks.com/kay-robertson-a-treasure-in-the-mineral-collecting-world)!


Some of the highlights from this week's include:
1. Superb Franklin RHODONITE from the Washington Roebling Collection (circa 1900)
2. Classic CHRYSOBERYL TWIN (SUPERB THUMBNAIL!) from Brazil
3. Fine Peru QUARTZ Japan-law twin on matrix
4. Rarities and classics from the Kay Robertson and Barratt Phillips Collections.
5. Old TOURMALINES from the Cruzeiro Mine
6. Competition-quality gem ANGLESITE thumbnail
7. Fine ARIZONA specimens from the Bruce Murphy Collection
8. Rare old ALGODONITE w/ SILVER from Michigan
9. Specimens from the Dr. Francesco Bedogne and Paul Zerfass Collections
Filter By

Diaspore var. Mangan-diaspore (RARE) Kay Robertson Coll.
Glosam Mine, Postmasburg manganese field, Northern Cape Prov., South Africa
8.3 x 5.5 x 3.6 cm
pocket of Primary Malachite xls in Heterogenite (Rare!)
Mutanda Mine, Kolwezi District, Katanga, Democratic Republic of Congo
10.1 x 7.2 x 6.1 cm
Huge rare Rutile xl (classic locale) Kay Robertson Coll.
Hiddenite, Alexander Co., North Carolina
5.7 x 0.4 x 0.4 cm
Olmiite and Calcite
N'Chwaning II Mine, Kalahari manganese field, South Africa
10.9 x 6.7 x 4.5 cm
Wolframite xls w/ Quartz (classic locale) Kay Robertson Coll.
Panaqueira, Castelo Branco District, Portugal
7.9 x 5.0 x 3.9 cm
Bi-colored gemmy DT Tourmaline (old classic)
Cruzeiro Mine, Minas Gerais, Brazil
6.3 x 3.3 x 2.6 cm
Aquamarine & Quartz on Albite (RARE) Kay Robertson Coll.
Goricho, Gorkhi massif, Tov Aimag, Mongolia
4.0 x 3.9 x 2.7 cm
Japan-law Quartz twins (excellent)
Pampa Blanca District, Castrovirreyna Prov., Huancavelica Dept., Peru
7.9 x 5.7 x 5.3 cm
Gem color-zoned Fluorite xls (fluorescent) Soregaroli Coll.
Okorusu Mine, Otjiwarongo District, Namibia
8.5 x 6.7 x 4.8 cm
Polished 'kaleidoscopic' Agate nodule (RARE - old)
Johanngeorgenstadt District, Erzgebirge, Saxony, Germany
6.1 x 4.6 x 1.7 cm
textbook Carlsbad-twinned Orthoclase (RARE European locale!)
Pacos de Ferreira, Porto District, Portugal
6.1 x 4.6 x 1.7 cm
Eosphorite rough and cut set (rare and excellent combo!)
Taquaral, Itinga, Minas Gerais, Brazil
4.7 x 4.0 x 2.1 cm
Algodonite, Native Silver & Quartz (RARE - OLD) Dr. Francesco Bedogne Coll.
"Old" Algomah Mine, Mass City, Ontonagon Co., Michigan
4.8 x 3.7 x 2.8 cm
Manganoan Calcite (classic locale - fluorescent)
Zinc Corporation Mine, Broken Hill, New South Wales, Australia
7.3 x 4.2 x 4.1 cm
Linarite & Caledonite (classic California) ex Fred Meissner Coll.
Blue Bell Mine, Baker, San Bernardino Co., California
4.7 x 4.2 x 2.0 cm
Spherocobaltite, Kolwezite (Type Locality), Calcite & Cobaltoan Dolomite (Kay Robertson)
Musonoi Mine, Kolwezi, Katanga, Democratic Republic of Congo
6.2 x 3.1 x 2.6 cm
Mineral Auctions