GIANT PRE-DENVER SHOW FINE MINERAL COLLECTION LIQUIDATION AUCTIONS - end Thursday, Sept. 7, 2017 (set 1 of 2)

Ends Thursday, Sept. 7, 2017
at 6:30 PM (Central Time Zone)

THREE PAGES 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.

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 rare old Butte BORNITE pseudomorph
2. Excellent BENITOITE and NEPTUNITE plates
3. Classics and rarities from the Kay Robertson and Bruce Murphy Collections
4. Large Pennsylvania CALCITE
5. Old gem FLUORITE xls from the Heights Mine
6. RARE large pseudo of QUARTZ after CALCITE
7. Superb old Mina Ojuela ADAMITE ball
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Aragonite var. Tarnowitzite (RARE locale) Dr. Gary Hansen Coll.
Magmont Mine, Bixby, Viburnum Trend, Iron Co., Missouri
10.4 x 9.9 x 6.0 cm
Large Manganoan Calcite (New Find - fluorescent!)
Huanggang Mine, Hexigten, Inner Mongolia A.R., China
14.4 x 5.3 x 3.8 cm
Magnetite (classic locale)
2500 ft Level, ZCA No. 4 Mine, Balmat, St. Lawrence Co., New York
2.3 x 2.2 x 1.3 cm
Carlsbad-twin Microcline w/ Hyalite Opal (fluorescent)
Shigar Valley, Skardu District, Gilgit-Baltistan, Pakistan
11.9 x 6.9 x 6.6 cm
Prehnite w/ Orthoclase (rare locale) Sanabria Coll.
Navazales II Mine, Bustarviejo, Madrid, Spain
10.5 x 8.4 x 5.4 cm
Smithsonite var. Cadmium rich (New/old Find)
Wei Nan, Yunnan Province, China
10.9 x 6.0 x 1.9 cm
Pyromorphite (1997 find) ex Sanabria Coll.
San Andres Mine, Espie, Cordoba, Andalusia, Spain
7.9 x 4.6 x 4.4 cm
Rose Quartz
Alto da Pitorra, Laranjeiras, Galileia, Minas Gerais, Brazil
3.9 x 2.4 x 2.0 cm
Prehnite (uncommon locale) Kay Robertson Coll.
Muotta Naira, Nalps Valley, Tujetsch, Grischun, Switzerland
5.6 x 3.6 x 3.2 cm
Galena & Quartz on Hedenbergite (Tony Potucek & Bruce Murphy Coll.)
Iron Cap Mine, Landsman Camp, Graham Co., Arizona
4.0 x 3.7 x 2.1 cm
Unusual large Orthoclase (Chris Cowan Coll.)
Stinky Hole Deposit, Organ Mts., Dona Ana Co., New Mexico
14.8 x 8.5 x 6.5 cm
Celestine (Nowakowski Coll.)
Stoneco Lime City Quarry, Lime City, Wood Co., Ohio
10.1 x 10.1 x 4.7 cm
Stalactitic Calcite w/ Hyalite Opal (RARE combo) Dixon & Wolfe Coll.
Bilbao Mine, La Blanca, Mun. de Ojo Caliente, Zacatecas, Mexico
9.3 x 6.5 x 5.0 cm
Dolomite & Quartz
Shangbao Mine, Hengyang Prefecture, Hunan Province, China
6.3 x 5.8 x 3.9 cm
Vanadinite (classic locale) ex Zinn & Murphy Coll.
200 ft Level, Old Yuma Mine, Pima Co., Arizona
4.1 x 3.7 x 1.8 cm
Mimetite (RARE - new 2017 find)
Adami No. 2 Mine, Plaka, Lavrion District, Attiki Prefecture, Greece
5.7 x 4.8 x 3.0 cm
Smithsonite w/ Fluorite (classic old Ireland locale)
Sheshodonnell East Mine, The Burren, Co. Clare, Ireland
5.2 x 2.7 x 2.5 cm
Gemmy Fluorite xls (fluorescent) Paul Zerfass Coll.
Frazer's Hush Mine, Rookhope District, Weardale, Co. Durham, England
11.5 x 9.3 x 6.4 cm
Baryte "roses"
Lake Thunderbird area, Norman, Cleveland Co., Oklahoma
9.5 x 8.8 x 5.6 cm
Olmiite & Calcite (2016 find)
Chocolate Pocket, N'Chwaning II Mine, Kalahari manganese field, South Africa
9.7 x 6.3 x 5.2 cm
Gem Fluorite xls (old classic - fluorescent)
Heights Mine, Westgate, Weardale, Co. Durham, England
10.0 x 5.8 x 4.8 cm
Caledonite & Linarite on Galena (Kay Robertson Coll.)
Chance Mine, Chidago District, Mono Co., California
5.0 x 3.4 x 3.0 cm
Cassiterite twin (rare locale) Kay Robertson Coll.
Salamanca, Castile and Leon, Spain
2.9 x 2.8 x 1.8 cm
Native Silver nugget (rare style) ex Kay Robertson Coll.
Beaverdell, Greenwood Mining Division, British Columbia, Canada
2.4 x 1.4 x 0.5 cm
Azurite & Malachite
Tsumeb Mine, Tsumeb, Namibia
6.5 x 4.5 x 2.8 cm
Rare large Quartz "skunk" after Calcite
Jalgaon District, Maharashtra, India
14.5 x 8.7 x 7.8 cm
Neptunite & Natrolite (Dr. B. Phillips Coll.)
Dallas Gem Mine, San Benito Co., California
9.5 x 6.7 x 6.5 cm
Mineral Auctions