MINERAL COLLECTION LIQUIDATION AUCTIONS - end THURSDAY MAY 11, 2017 (set 1 of 2)

Ends Thursday, May 11, 2017
at 6:30 PM (Central Time Zone)

We ramped up the auctions this week with some important, beautiful "spikers" including OLD CLASSIC MINERALS FROM EUROPE, RARE SPECIES and GEM CRYSTALS! This auction set, as do all, features classic and rare minerals from contemporary and historic worldwide localities along with gem crystals, native elements and more , mostly from old stashes and old dealer inventories that you cannot even access easily at shows anymore.

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. Fine selection of TOURMALINES
2. HUGE GARNET from Australia.
3. Michigan COPPER with SILVER. 4. Rare large old Nevada WULFENITE.
5. Butte CHALCOCITE after COVELLITE.
6. Rare old Illinois FLUORITE & GALENA w/ hydrocarbons
7. Outstanding old COBALTITE
8. Large and excellent Chinese FLUORITE
9. Rare French TORBERNITE
Filter By

Gemmy color-zoned Tourmaline (classic) Kay Robertson Coll.
Santa Rosa mine, Itambacuri, Minas Gerais, Brazil
4.6 x 1.9 x 1.5 cm
Mimetite var. Campylite on Quartz (old classic)
Dry Gill Mine, Caldbeck Fells, Cumbria, England
7.0 x 5.7 x 4.5 cm
Caracolite (Type Locality - rare sulfate & locale)
Beatriz Mine, Caracoles, Sierra Gorda District, Antofagasta Province, Chile
5.2 x 3.6 x 2.5 cm
Pyromorphite w/ Plumbogummite (2014 find)
Yangshuo Mine, Guilin Pref., Guangxi Zhuang A.R., China
6.8 x 4.2 x 3.6 cm
Pyrite ps. After Marcasite on oil shale (RARE) ex Kay Robertson Coll.
Onyx Ace Hill quarry, Plattsmouth, Cass Co., Nebraska
2.8 x 2.1 x 1.5 cm
Azurite
La Sal, San Juan Co., Utah
6.4 x 4.4 x 3.4 cm
Bi-colored Fluorite (old - fluorescent) Trimingham Coll.
Smallcleugh Mine, Nenthead, Alston Moor District, Cumbria, England
7.1 x 6.2 x 3.8 cm
Hydrocarbon-included Fluorite on Galena (old - RARE)
Rosiclare, Rosiclare Sub-District, Hardin Co., Illinois
9.8 x 7.1 x 4.3 cm
Pyromorphite var. Arsenian (mid-1990s)
Bunker Hill Mine, Kellogg, Shoshone Co., Idaho
5.0 x 3.5 x 2.5 cm
Fluorapophyllite-(K) & Stilbite
Jalgaon, Maharashtra, India
5.5 x 4.5 x 2.5 cm
Arsenopyrite w/ Calcite & Quartz (classic locale)
Trepca complex, Kosovska Mitrovica, Mitrovica, Kosovo
5.2 x 4.0 x 3.8 cm
Baryte (fluorescent) on Dolomite
Cerro Warihuyn, Miraflores, Huanuco Dept., Peru
7.0 x 4.8 x 4.3 cm
Kosnarite (rich specimen)
Jenipapo district, Itinga, Taquaral, Minas Gerais, Brazil
5.6 x 5.0 x 2.5 cm
Azurite on Malachite
Tsumeb Mine, Tsumeb, Namibia
7.5 x 4.0 x 2.6 cm
Wulfenite w/ Mimetite (classic locale)
San Francisco Mine, Cerro Prieto, Sonora, Mexico
4.6 x 3.0 x 2.8 cm
Fine matrix Cobaltite (old classic, late 1800s )
Hakansboda, Lindesberg, Vastmanland, Sweden
3.7 x 2.2 x 2.0 cm
Gemmy bi-colored DT Tourmalines
Cruzeiro Mine, Minas Gerais, Brazil
2.5 x 1.2 x 1.0 cm (Largest of 2)
very large Chalcocite (mid-1990s finds)
Flambeau Mine, Ladysmith, Rusk County, Wisconsin
11.2 x 7.9 x 6.9 cm
Fluorapophyllite-(K)
San Martin Mine, Sombrerete, Zacatecas, Mexico
7.5 x 6.3 x 2.8 cm
Color-zoned Fluorite w/ Baryte (Sanabria Coll.)
La Cabana, Berbes, Asturias, Spain
7.6 x 5.8 x 4.0 cm
Mineral Auctions