FINE MINERAL COLLECTION & INVENTORY LIQUIDATION AUCTION - Ends September 24, 2020

We have a great selection this week featuring plenty of attractive, fine quality, rare and unusual specimens.  Look for new discoveries that we picked up at recent shows or direct from the source. We have specimens from the collections of David Burgess and Gary Weaver, along with plenty from Kay Robertson!  You might even find the occasional fossil, lapidary or gem item from time to time.   Look here for the not so typical mineral specimens along with plenty of your favorites.  We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody!
 
Some of the highlights from this week’s auction include:
 
1. Attractive old  classic COPPER on QUARTZ from Michigan
2. Beautiful blue FLUORITE on QUARTZ from the Sweet Home Mine, Colorado
3. Rare classic LEGRANDITE from the Ojuela Mine, Mexico
4. Gorgeous multicolor OPAL from Ethiopia
5. A newly discovered specimen of beautiful blue HEMIMORPHITE from Rep. of the Congo
6. Attractive rich blue AZURITE crystals on matrix from the Milpillas Mine, Mexico
7. Rarities include, THULITE, KLEBELSBERGITE, OSUMILITE and THESITE 
8. Plenty of cool US and European minerals and various rarities from the collection of Kay Robertson
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Fluorite on Quartz
Sweet Home Mine, Mount Bross, Alma Mining District, Park County, Colorado
7.2 x 6.0 x 3.6 cm
Winning Bid: $180
Copper on Quartz
Central Mine, Central, Keweenaw County, Michigan
8.0 x 5.3 x 3.3 cm
Winning Bid: $77
Ruby (rare "Trapiche" habit)
Mong Hsu, Loilem District, Shan State, Myanmar (Burma)
0.5 x 0.4 x 0.2 cm
Winning Bid: $130
Legrandite (rare classic material)
Ojuela Mine, Mapimi, Durango, Mexico
2.7 x 1.8 x 1.0 cm
Winning Bid: $120
Azurite (superb luster)
Milpillas Mine, Cuitaca, Mun. de Cananea, Sonora, Mexico
6.1 x 5.9 x 4.0 cm
Winning Bid: $260
Cassiterite (twins) on Quartz
Panasqueira Mines, Covilha, Castelo Branco, Portugal
3.2 x 2.8 x 2.8 cm
Winning Bid: $100
Calcite (2 generations) (rare Colorado locale)
near La Junta, Otero County, Colorado
6.0 x 5.9 x 3.4 cm
Winning Bid: $60
Rhodochrosite
Sweet Home Mine, Mount Bross, Buckskin Gulch, Alma District, Park County, Colorado
6.8 x 2.8 x 2.2 cm
Winning Bid: $110
Harmotome (rare zeolite) (ex David Burgess Collection)
Strontian, Fort William and Ardnamurchan, Highland, Scotland, UK
4.1 x 3.1 x 1.8 cm
Winning Bid: $38
Opal (highly colorful)
Tsehay Mewcha, Wegeltena, Delanta, Wello (Wollo), Afar Province, Ethiopia
2.6 x 1.7 x 1.1 cm
Winning Bid: $110
Chalcocite (rare locality specimen)
Cashin Mine, La Sal Mining District, Montrose County, Colorado
5.0 x 4.3 x 4.1 cm
Winning Bid: $30
Thulite (manganese-bearing Zoisite) (new discovery)
Snillfjord, Krokstadora, Trondheim, Sor-Trandelag, Norway
2.6 x 2.9 x 2.2 cm
Winning Bid: $45
Amethyst ("Grapes")
Mamuju area, Sulawesi Barat Province, Sulawesi, Indonesia
6.2 x 3.7 x 3.1 cm
Winning Bid: $389
Linarite with Caledonite (rare old classic) (ex Robert Ferguson Collection)
Leadhills, South Lanarkshire, Scotland, UK
4.3 x 3.2 x 3.0 cm
Winning Bid: $179
Dravite Tourmaline
Yinnietharra, Upper Gascoyne Shire, Western Australia, Australia
5.8 x 5.1 x 4.3 cm
Winning Bid: $80
Amazonite (classic material)
Two Point Claim, Teller County, Colorado
3.3 x 2.3 x 1.8 cm
Winning Bid: $222
Fluorite (rare locality specimen) (ex Herb Obodda Collection)
Zobes U deposit, Zobes, Neuensalz, Vogtlandkreis, Saxony, Germany
5.2 x 3.8 x 3.2 cm
Winning Bid: $98
Brochantite on Malachite (ex David Burgess Collection)
El Guanaco Mine, Guanaco, Santa Catalina, Antofagasta Province, Antofagasta, Chile
4.8 x 3.8 x 3.6 cm
Winning Bid: $60
Quartz replacing Anhydrite (ex Gary Weaver Collection)
Cataract Gulch, near Howardsville, Silverton District, San Juan County, Colorado
10.7 x 6.8 x 5.5 cm
Winning Bid: $106
Xenotime-(Y) (fine crystal)
Novo Horizonte, Bahia, Brazil
2.7 x 0.6 x 0.6 cm
Winning Bid: $45
Olmiite (very rare)
N'Chwaning II Mine, Kalahari manganese fields, Northern Cape Province, South Africa
1.6 x 1.3 x 1.0 cm
Winning Bid: $71
Theisite (rare) (ex David Burgess Collection)
Tuckerville prospects, Hinsdale County, Colorado (Type Locality)
5.3 x 3.3 x 2.3 cm
Winning Bid: $50
Klebelsbergite on Stibnite (rare) (ex Kay Robertson Collection)
Baia Sprie Mine (Felsobanya Mine), Baia Sprie, Maramureș, Romania
3.4 x 2.7 x 2.7 cm
Winning Bid: $43
Melanophlogite (very rare silica clathrate) (ex Kay Robertson Collection)
Mount Hamilton Melanophlogite locality, Sugarloaf Mountain, Black Wonder Mining District, Santa Clara County, California
6.9 x 3.6 x 2.7 cm
Winning Bid: $34
Smoky Quartz (fine quality) (ex Kay Robertson Collection)
El Dorado County, California
4.7 x 2.1 x 1.6 cm
Winning Bid: $226
Azurite with Malachite (ex Kay Robertson Collection)
New Cornelia Mine (Ajo Mine), Ajo, Pima County, Arizona
1.5 x 1.1 x 0.8 cm
Winning Bid: $36
Brookite with Quartz (ex Kay Robertson Collection)
Magnet Cove, Hot Springs County, Arkansas
5.3 x 4.2 x 3.2 cm
Winning Bid: $15
Calcite (classic material) (ex Kay Robertson Collection)
North Vernon, Jennings County, Indiana
6.5 x 4.3 x 3.3 cm
Winning Bid: $45
Barite with Fluorite (ex Kay Robertson Collection)
Wieden, Lorrach, Freiburg Region, Baden-Wurttemberg, Germany
5.2 x 3.8 x 3.6 cm
Winning Bid: $37