SPECIAL PRE-DENVER SHOW FINE MINERAL COLLECTION LIQUIDATION AUCTIONS - end Thursday, Sept. 14, 2017 (set 1 of 2)

Ends Thursday, Sept. 14, 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, s you cannot easily find in today's market.

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. TOURMALINES
2. Rarities & classic from the Kay Robertson and Paul Zerfass Collections
3. Large & rare MOLYBDENITE in QUARTZ
4. Fine large French SMOKY QUARTZ
5. Superb old Bisbee MALACHITE pseudomorph
6. Rare Tsumeb AZURITE & QUARTZ TN
7. Large FLUORITE from a NEW Chinese find
8. Superb old $2000 Cornwall CHALCOCITE and Cavradi HEMATITE
9. Large rare FAIRFIELDITE xl
Filter By

large, classic Orpiment (Dr. Miquel Romero Coll.)
Quiruvilca Mine, La Libertad Department, Peru
15.7 x 10.8 x 9.5 cm
Smithsonite var. Cadmium (uncommon NM) Chris Cowan Coll.
Empire Zinc Mine, Hanover-Fierro District, Grant Co., New Mexico
7.8 x 5.4 x 4.7 cm
Large DT Quartz xls (rare Canada loc.) Nowakowski Coll.
Harrison & Fortier Mine (Steeles Mine), Lyndhurst., Ontario, Canada
16.2 x 7.8 x 5.7 cm
Stibiconite ps. After Stibnite (classic locale) ex Kay Robertson Coll.
Wadley, Mun. de Catorce, San Luis Potosi, Mexico
9.4 x 3.2 x 2.9 cm
Inesite & Calcite (classic California) Kay Robertson Coll.
Hale Creek Mine, Mad River Rock, Coastal Range, Trinity Co., California
4.4 x 4.2 x 3.1 cm
Pyromorphite (classic Canada) Kay Robertson Coll.
Society Girl Mine, Moyie, British Columbia, Canada
4.1 x 2.9 x 2.2 cm
Calcite (fluorescent) & Pyrite (classic locale) Soregaroli Coll.
Level 3, Panasqueira Mine, Castelo Branco Dist., Portugal
6.6 x 5.4 x 3.1 cm
Chalcocite sharp xls on matrix (fine old classic circa mid 1800s)
Geevor Mine, Pendeen, St Just, St Just District, Cornwall, England
3.8 x 3.8 x 2.3 cm
Wulfenite & Mimetite on Baryte (Bruce Murphy Coll.)
Rowley Mine, Theba, Maricopa Co., Arizona
4.9 x 3.6 x 2.3 cm
Pyromorphite (Zerfass Coll.)
Daoping Mine, Guilin Prefect., Guangxi Zhuang A.R., China
7.7 x 6.3 x 5.8 cm
Gemmy Apatite xls (Don Boydston Coll.)
Cerro de Mercado Mine, Durango, Mexico
5.4 x 4.8 x 4.3 cm
Gibbsite (fine color)
Wenshan Autonomous Prefecture, Yunnan Province, China
6.0 x 4.2 x 1.5 cm
Witherite (old classic - fluorescent) Kay Robertson Coll.
Rosiclare District, Hardin Co., Illinois
5.3 x 5.2 x 4.2 cm
rare large Quartz w/ Molybdenite inclusions (rare) Dick Hauck Coll.
Confianza Mine, Tilama, Coquimbo Region, Chile
21.3 x 14.7 x 7.7 cm
Helvine, Smoky Quartz & Spessartine ex Obodda
Wushan Spessartine Mine, Tongbei, Fujian Province, China
7.5 x 6.4 x 3.9 cm
Smoky Quartz (classic locale) self-collected by Paul Zerfass
Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhone-Alpes, France
14.5 x 11.6 x 7.0 cm
Malachite, Chrysocolla & Heterogenite stalactites (uncommon style)
Mashamba West Mine, Kolwezi District, Katanga, Democratic Republic of Congo
16.0 x 9.8 x 5.5 cm
Axinite-(Fe) (RARE Mexico) Kay Robertson Coll.
Laguna Hansen, Mun. de Ensenada, Baja California, Mexico
3.7 x 3.2 x 1.4 cm
Atacamite on Malachite
Mount Gunson Copper mines, Pernatty Lagoon, South Australia, Australia
5.7 x 3.4 x 1.2 cm
Tourmaline w/ Cleavelandite & Muscovite
Stak Nala, Haramosh Mts., Skardu District, Gilgit-Baltistan, Pakistan
6.1 x 2.4 x 2.0 cm
Smoky Quartz (RARE NH) Whitmore Coll.
Bald Mountain, Ossipee, Carroll Co., New Hampshire
3.8 x 1.7 x 1.5 cm
Fairfieldite (rare, fine xls) on Quartz (classic locale) ex Eaker
Foote Mine, Kings Mountain District, Cleveland County, North Carolina
6.2 x 3.7 x 3.5 cm
Pyromorphite on Baryte (self-collected by Paul Zerfass)
Les Farges Mine, Ussel, Correze, Nouvelle-Aquitaine, France
11.8 x 11.0 x 5.8 cm
Calcite on Smithsonite (Chris Cowan Coll.
Kelly Mine, Magdalena, Socorro Co., New Mexico
7.8 x 5.3 x 1.9 cm
Fine, rich Pyrophyllite (classic locale)
Graves Mountain, Lincoln Co., Georgia
13.2 x 8.4 x 6.0 cm
Mineral Auctions