DENVER SHOW MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday September 13th, 2018

Ends Thursday, September 13th, 2018
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from Tucson along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including Willard Wulff, Francesco Bedogne, Rolando Gioia, Charlie Key and plenty of pieces from Kay Robertson along with various 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. Wonderful bi-colored SAPPHIRE crystal on matrix from Madagascar
2. Newly mined, unusual "Coconut" ANDRADITE GARNET from Peru
3. GEM quality colorless TOPAZ specimen from Yunnan Province, China - 63.33 grams
4. Beautiful pinkish-red RHODOCHROSITE with QUARTZ and sulfides from the world famous Sweet Home Mine
5. Wonderful crystallized GOLD specimen from the Alta Floresta District, Brazil
6. Lovely pink manganese-bearing CALCITE crystal group from Dal'negorsk, Russia
7. Icon Trapiche Habit EMERALD from the Muzo Mine, Colombia
8. Fantastic GEMMY "phantom" FLUORIE crystal group from China - Ex Steve Smale Collection. 9. A CLASSIC specimen of PYRARGYRITE, plus a specimen of PROUSTITE from Freiberg, Germany!
10. Page 2 features assorted worldwide minerals (focusing on European localities) from the Kay Robertson Collection
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Stregnite (mined 1986) (ex Kay Robertson Collection)
Leveaniemi Mine, Svappavaara, Kiruna district, Lappland, Sweden
4.2 x 2.5 x 2.1 cm
Fluorite (multi-color "phantom" crystals) (ex Kay Robertson Collection)
Erika Mine, Saulnhof, Stulln, Wolsendorf West District, Upper Palatinate, Bavaria, Germany
6.1 x 5.3 x 4.2 cm
Fluorapatite (ex Kay Robertson Collection)
Wilberforce area, Haliburton Co., Ontario, Canada
6.0 x 3.0 x 1.1 cm
Epidote (ex Kay Robertson Collection)
Val di Viu, Valli di Lanzo, Torino, Piemonte, Italy
4.0 x 3.3 x 2.4 cm
Wulfenite (rare locality specimen) (ex Kay Robertson Collection)
Hamburg Mine, Silver District, Trigo Mts, La Paz County, Arizona
4.3 x 2.1 x 2.1 cm
Mimetite (classic material) (ex Kay Robertson Collection)
San Pedro Corralitos, Mun. de Casas Grandes, Chihuahua, Mexico
3.5 x 2.3 x 1.9 cm
Scheelite (rare locality specimen) (ex Kay Robertson Collection)
8050 Scram, 4th Cut, 9 Level, Camp Bird Mine, Ouray County, Colorado
5.5 x 3.3 x 1.3 cm
Quartz (ex Dave Bergman Collection)
Camp Bird Mine, Ouray County, Colorado
5.1 x 3.6 x 2.6 cm
Topaz (GEM QUALITY) (63.33 grams)
Yunnan Province, China
5.1 x 2.8 x 2.3 cm
Chalcophyllite (ex Kay Robertson Collection)
Teniente Mine, El Teniente, Rancagua, Cachapoal Province, Libertador General Bernardo O'Higgins Region, Chile
5.3 x 3.7 x 1.3 cm
Rhodochrosite with Quartz and sulfides
Sweet Home Mine, Mount Bross, Buckskin Gulch, Alma District, Park County, Colorado
8.2 x 5.2 x 3.4 cm
Mineral Auctions