SPECIAL TUCSON SHOW FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday February 8th, 2018

Ends Thursday, February 8th, 2018
at 6:45 PM (Central Time Zone)



With the Tucson Show in full swing, we've put together a wonderful set of classics, contemporary pieces, rarities, unusual pieces, gem crystals and display specimens. Look for pieces mixed in from various collections we've obtained including Willard Wulff, Rolando Gioia, Kay Robertson, Francesco Bedogné, and Paul Zerfass, along with dealers' inventories. 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! Enjoy!


Some of the highlights from this week's auction include:

1. Old, classic, gemmy octahedral DIAMOND crystal from the De Beers Mine in South Africa
2. Hard to find classic WIRE GOLD specimen from Breckenridge, Colorado
3. A hard to find matrix specimen of gemmy red SPESSARTINE on QUARTZ from Brazil
4. Newly mined specimen of the unusual "Blood Vessel Opal" from San Luis Potosi, Mexico
5. Rare matrix specimen of "Faden" QUARTZ from Pakistan
6. A SUPERB specimen of ultra-rare POTOSIITE crystals on FRANCKEITE from Bolivia
7. An inside-out pseudomorph of QUARTZ replacing TOURMALINE from Brazil
8. PAGE 2 features assorted minerals from the Kay Robertson Collection!
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Brookite (gemmy) on matrix
Kharan, Baluchistan, Pakistan
11.3 x 10.8 x 4.7 cm
Diamond (old crystal)
De Beers Mine, Kimberley, Francis Baard District, Northern Cape Province, South Africa
0.3 x 0.2 x 0.2 cm
Tourmaline (pink and green bicolor) (9.64 grams)
Barra do Salinas, Coronel Murta, Minas Gerais, Brazil
6.2 x 2.0 x 1.8 cm
Ferberite with Jamesonite
Tasna Mine, Atocha-Quechisla District, Nor Chichas Province, Potosu Department, Bolivia
5.3 x 4.2 x 1.7 cm
Quartz ("Faden") (rare matrix piece)
Tole (Tui), Wana, South Waziristan, Federally Administered Tribal Areas (FATA), Pakistan
7.8 x 6.2 x 2.7 cm
Wavellite
Dug Hill, Avant, Garland County, Arkansas
12.7 x 7.3 x 5.7 cm
Fluorite on Celestine (classic material)
Clay Center, Ottawa County, Ohio
3.5 x 3.3 x 3.2 cm
Scheelite with Muscovite
Huya Village, Mt Xuebaoding, Pingwu Co. Sichuan Province, China
4.0 x 3.6 x 3.6 cm
Stannite with Chalcopyrite on Quartz
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
8.7 x 4.3 x 2.6 cm
Azurite
New Cornelia Mine area (Ajo Mine area), Ajo, Little Ajo Mts, Ajo District, Pima County, Arizona
1.7 x 1.1 x 0.8 cm
Gold Wire (collected by Brian Kosnar)
Wire Patch Mine, Farncomb Hill, French Gulch, Breckenridge District, Summit County, Colorado
0.4 x 0.3 x 0.1 cm
Stibnite (ex Allen Heyl Collection)
Xikuangshan Sb deposit, Lengshuijiang Co., Loudi Prefecture, Hunan Province, China
11.7 x 0.7 x 0.3 cm
Spessartine (rare matrix specimen)
Navegadora Mine, Penha do Norte, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil
6.8 x 4.3 x 2.7 cm
Wulfenite
Maoniuping Mine, Mianning Co., Liangshan Autonomous Prefecture, Sichuan Province, China
5.2 x 4.7 x 3.1 cm
Siderite and Pyrite pseudomorph after Pyrrhotite (ex Van Tichelen Collection)
Herja Mine, Chiuzbaia, Baia Mare, Maramure? Co., Romania
3.7 x 3.5 x 2.3 cm
Barite with Quartz
Sugarbowl Pocket, Murray Mine, Independence Mountains District, Elko County, Nevada
15.2 x 7.8 x 4.2 cm
Vanadinite (ex Obodda)
Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco
4.0 x 3.2 x 2.7 cm
Potosiite (large crystals!) on Franckeite
San Jose Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
8.2 x 8.1 x 4.1 cm
Amethyst
Jackson Crossroads, Jacksons Crossroads, Wilkes County, Georgia
4.3 x 4.1 x 2.7 cm
Clinohumite (gemmy)
Gem spinel deposit, Kukh-i-Lal, Pyandzh River Valley, Pamir Mts, Viloyati Mukhtori Gorno-Badakhshan, Tajikistan
1.0 x 0.7 x 0.4 cm
Magnesite (ex Rolando Gioia Collection)
Pomba Pit, Serra das Eguas, Brumado, Bahia, Brazil
6.3 x 5.7 x 4.8 cm
Tourmaline (inside out pseudomorph / replacement) with Quartz and Lepidolite
Urubu mine, Monte Belo, Itinga, Minas Gerais, Brazil
4.0 x 1.6 x 1.5 cm
Dravite Tourmaline (ex Kay Robertson Collection)
Dobrova, Dravograd (Unterdrauburg), Slovenia (Type Locality)
7.1 x 3.2 x 2.1 cm
"Star" Muscovite (ex Kay Robertson Collection)
Jenipapo Mine, Itinga, Jequitinhonha valley, Minas Gerais, Brazil
9.7 x 5.7 x 4.7 cm
Wollastonite (rare material) (ex Kay Robertson Collection)
Bazena Alp, Breno, Adamello-Brenta Natural Park, Camonica Valley, Brescia Province, Lombardy, Italy
6.3 x 5.8 x 3.3 cm
Topaz (rare locality specimen) (45.23 grams) (ex Kay Robertson Collection)
San Nicolas Mine, Valle de la Serena, Badajoz, Extremadura, Spain
3.3 x 3.1 x 2.7 cm
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