PRE-TUCSON SHOW FINE MINERAL COLLECTION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday January 25th, 2018

Ends Thursday, January 25th, 2018
at 6:45 PM (Central Time Zone)



This week's auction is filled with new material we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics 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. GEMMY blue INDICOLITE TOURMALINE from Brazil (ex Richard Kosnar Collection)
2. Classic deep red PROUSTITE on matrix from the Uchucchacua Mine, Peru
3. Large, rare, gemmy prismatic EPIDIDYMITE from Mt Malosa, Malawi
4. Attractive "flower"-shaped group of GEMMY GYPSUM crystals from Lignite Mine, Hesse, Germany
5. Rarities include HENRYMEYETERITE and MORENOSITE
6. Classic CALCITE on SIDERITE from Billy Creek, Ouray, Colorado (ex Dave Bergman Collection)
7. Brazilian minerals from the collection of Rolando Gioia!
8. PAGE 2 features assorted minerals from the Kay Robertson Collection!
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Calcite on Siderite (ex Dave Bergman Collection)
Billy Creek Wildlife Refuge, Ouray County, Colorado
4.6 x 3.5 x 2.7 cm
Indicolite (6.34 grams) (ex Richard Kosnar Collection)
Santa Rosa mine, Itambacuri, Minas Gerais, Brazil
3.8 x 1.1 x 0.7 cm
Proustite with Tennantite (ex Frank Keutsch Collection)
Uchucchacua Mine, Oyon Province, Lima Department, Peru
6.5 x 5.1 x 3.7 cm
Fluorite (new find)
Koh-i-Maran, Kalat District, Balochistan (Baluchistan), Pakistan
5.8 x 5.6 x 3.2 cm
Cassiterite with Topaz (new find)
Shengus, Haramosh Mts., Skardu District, Baltistan, Gilgit-Baltistan, Pakistan
3.2 x 1.8 x 1.6 cm
Titanite (twins) with Adularia and "Chlorite"
Arondu, Basha Valley, Skardu district, Baltistan, Gilgit-Baltistan, Pakistan
12.3 x 9.5 x 5.3 cm
Pyrrhotite with Galena
Trepca Stan Terg Mine, Trepca Complex, Trepca Valley, Kosovska Mitrovica, District of Kosovska Mitrovica, Kosovo
10.7 x 9.7 x 3.6 cm
Hemimorphite (rich color)
Wenshan Mine, Wenshan Co., Wenshan Autonomous Prefecture, Yunnan Province, China
6.2 x 4.8 x 3.4 cm
Epididymite (rare large crystal)
Mount Malosa, Zomba District, Malawi
7.3 x 0.6 x 0.5 cm
Sodalite (var: Hackmanite) with Richterite
Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
5.4 x 4.2 x 3.4 cm
Bismuthinite (good quality)
Tasna Mine, Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosu Department, Bolivia
4.1 x 3.6 x 3.1 cm
Parisite-(Ce) (rare carbonate)
Muzo Mine, Mun. de Muzo, Vasquez-Yacopu Mining District, Boyaca Department, Colombia (Type Locality)
1.1 x 1.0 x 0.8 cm
Xenotime
Novo Horizonte, Bahia, Brazil
1.0 x 0.3 x 0.3 cm
Inesite (classic material) (ex William Duarte Collection)
Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California
4.7 x 4.6 x 4.0 cm
Pollucite (gemmy!) (6.08 grams)
Paprok, Kamdesh District, Nuristan Province, Afghanistan
1.7 x 1.5 x 1.3 cm
Wavellite (excellent quality) (ex Brian Kosnar Collection)
Siglo XX Mine, Llallagua, Bustillos Province, Potosi Department, Bolivia
6.3 x 3.7 x 3.3 cm
Prehnite (gemmy yellow crystals)
Merelani Hills, Lelatema Mts, Simanjiro District, Manyara Region, Tanzania
3.1 x 1.7 x 1.7 cm
Axinite-(Fe) (rare classic material)
Stamps and Jowl Zawn, Cliff outcrops, Botallack, St Just, Cornwall, England, UK
4.7 x 3.4 x 3.3 cm
Vivianite (ex Rolando Gioia Collection)
Jocao pegmatite, Conselheiro Pena, Minas Gerais, Brazil
4.7 x 2.6 x 1.7 cm
Magnetite with Quartz (rare locality piece) (collected by Doug Toland)
Green Monster Mountain, Prince of Wales Island, Alaska
3.7 x 2.7 x 1.7 cm
Red Beryl (ex Dave Bergman Collection)
Wah Wah Mountains, Beaver County, Utah
2.1 x 1.7 x 1.6 cm
Gypsum (Selenite) (GEMMY "flower") (ex Kay Robertson Collection)
Lignite Mine, Neuenhain, Schwalmstadt, Hesse, Germany
7.3 x 6.5 x 5.2 cm
Henrymeyerite (extremely rare) (ex Josef Vajdak)
Kuamdespakhk Mt, Suoluai River Valley, Lovozero Massif, Murmanskaya Oblast', Northern Region, Russia
2.7 x 2.3 x 1.2 cm
Morenosite (rare) (ex Josef Vajdak)
Svornost Mine, Jachymov, Krusne Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic
5.7 x 4.2 x 2.2 cm
Erythrite (fine small crystals) (ex Kay Robertson Collection)
Bou Azzer District, Tazenakht, Ouarzazate Province, Draa-Tafilalet Region, Morocco
5.3 x 3.7 x 2.8 cm
Actinolite (rare locale) (ex Kay Robertson Collection)
Stubach valley, Hohe Tauern, Salzburg, Austria
6.3 x 4.6 x 4.5 cm
Pectolite (ex Kay Robertson Collection)
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Quebec, Canada
7.3 x 5.7 x 4.3 cm
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