PRE-DENVER MINERAL COLLECTION AUCTIONS (set 1 of 2) featuring OLD CLASSICS, GEM CRYSTALS and RARITIES - ends Thursday Aug 16, 2018

ends Thursday August 16, 2018
at 6:30 PM (Central Time Zone)

A HUGE selection of specimens in this week's auctions with a mix of gem crystals, 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 and a few choice pieces from other collections including Steve Smale. 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. Large NEPTUNITE and Tsumeb SMITHSONITE
2. RHODOCHROSITE from the W.S. Logan Collection
3. Rare large New Mexico FLUORITE
4. Selection of Kay Robertson Old Classics!
5. Ken Roberts and Norm & Roz Pellman Collection specimens
6. NEW Erongo AQUAMARINE with SCHORL FIND
7. Rare TIGER WULFENITE with FLUORITE & WILLEMITE
Filter By

Pyromorphite (Steve Smale Coll.)
Daoping Mine, Guilin Prefect., Guangxi Zhuang A.R., China
3.9 x 3.3 x 2.6 cm
Large old Tsumeb Smithsonite (Bartels Coll.)
Tsumeb Mine, Tsumeb, Namibia
11.3 x 10.7 x 6.2 cm
Vivianite (Robertson Coll.)
Kerch peninsula, Crimea peninsula, Crimea, Ukraine
4.9 x 2.9 x 2.6 cm
Vesuvianite var. Manganoan (Charlie Key Coll.)
Jeffrey Mine, Asbestos, Quebec, Canada
4.5 x 3.9 x 3.1 cm
Datolite included by Copper (old!)
Keweenaw Point, Keweenaw Co., Michigan
5.3 x 4.8 x 2.4 cm
razor sharp Carrollite on Calcite (New Find!)
Kamoya South II Mine, Kambove District, Katanga, Democratic Republic of Congo
9.9 x 8.4 x 5.5 cm
Smithsonite (classic old Ireland locale)
Sheshodonnell East Mine, The Burren, Co. Clare, Ireland
8.3 x 4.0 x 2.7 cm
Silver Wires
Hongda Mine, Datong Prefecture, Shanxi Province, China
5.8 x 1.8 x 1.8 cm
Chrysocolla ps. After Azurite (classic AZ) Robertson Coll.
Inspiration pit, Inspiration Mine, Globe-Miami District, Gila Co., Arizona
4.8 x 2.9 x 2.4 cm
Smithsonite (Robertson Coll.)
Tsumeb Mine, Tsumeb, Namibia
7.4 x 5.7 x 2.5 cm
Calcite incl. w/ Hematite (Dr. B. Phillips Coll.)
San Antonio Mine, Santa Eulalia, Chihuahua, Mexico
10.9 x 8.4 x 5.6 cm
Bournonite (old classic) Robertson Coll.
Georg Mine, Willroth, Westerwald, Rhineland-Palatinate, Germany
8.0 x 5.3 x 4.3 cm
Calcite w/ phantoms (Wolfe Coll.)
Sweetwater Mine, Viburnum Trend, Reynolds Co., Missouri
8.8 x 5.7 x 4.8 cm
Pyrite w/ Limonite coating (Texas!) Bartels Coll.
Martin Marietta Materials Cement quarry, Midlothian, Ellis Co., Texas
6.7 x 5.5 x 4.6 cm
Epidote "fan" (Soregaroli Coll.)
Pampa Blanca, Castrovirreyna Province, Huancavelica Department, Peru
6.4 x 6.0 x 2.4 cm
Hematite stalactites (RARE Virginia)Ted Bartels Coll.
Covington Prospect, Alleghany Co., Virginia
7.0 x 2.7 x 1.8 cm
DT Fluoro-richterite xl (Dr. Matthias Mangold Coll.)
Wilberforce area, Haliburton Co., Ontario, Canada
4.4 x 2.1 x 1.0 cm
Mimetite ps. After Vanadinite (RARE Nevada!) Robertson Coll.
Killie Mine, Spruce Mountain District, Elko Co., Nevada
6.2 x 4.1 x 3.0 cm
Vivianite (ps. Fossil vertebrae!)
Richmond, Virginia, USA
4.6 x 3.8 x 2.9 cm
Aquamarine w/ Schorl (NEW FIND)
Erongo Mts, Erongo Region, Namibia
5.1 x 4.0 x 3.6 cm
Rhodochrosite, Calcite & Quartz (rare - W.S. Logan Coll.)
Mogilata deposit, Septemvri mine, Madan ore field, Rhodope Mts, Bulgaria
8.0 x 5.3 x 4.8 cm
large Agate slab (Ken Roberts Coll.)
Rio Grande Do Sul, Brazil
14.4 x 12.0 x 1.3 cm
Iridescent Chalcopyrite (Dr. B. Phillips Coll.)
Huaron mining district, Huayllay district, Pasco department, Peru
8.6 x 7.3 x 4.4 cm
Scheelite (fluorescent)
Mt Xuebaoding, Pingwu Co., Sichuan Province, China
5.5 x 4.5 x 4.5 cm
Hematite "iron rose" (Dr. B. Phillips Coll.)
Ouro Preto, Minas Gerais, Brazil
7.0 x 4.2 x 3.1 cm
Mineral Auctions