FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday June 21st, 2018

Ends Thursday, June 21st, 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. A $6,000, fantastic, gemmy, doubly-terminated, blue AQUAMARINE crystals on Albite form Pakistan (ex Obodda)
2. GEM quality, golden rhombic CALCITE specimen from the Sokolovskoe Iron Mine, in Kazakhstan
3. A classic specimen of OPAL pseudomorphing after FOSSIL CLAM shell from Coober Pedy, Australia
4. Classic, rarely seen DOUBLY-TERMINATED twinned red CINNABAR with QUARTZ from China
5. GEM PURPLE TOPAZ on MAGNESITE from Brumado, Bahia, Brazil
6. Attractive color change "butterfly-twinned" MONAZITE-(Ce) crystals on QUARTZ from the Siglo XX Mine, Bolivia
7. A big, rare, historic specimen of SYNTHETIC QUARTZ (ex Motorola Laboratories)
8. An incredibly rare specimen of TETRADYMITE from the nearly 200 year old type locality in Slovakia!
9. Page 2 features assorted minerals from the Kay Robertson collection
Filter By

Hausmannite (found in 1919!) (ex Kay Robertson Collection)
Silberbach, near Ilfeld, Nordhausen, Harz, Thuringia, Germany
9.0 x 6.3 x 4.3 cm
Eosphorite (ex Kay Robertson Collection)
Mendes Pimentel, Minas Gerais, Brazil
5.3 x 3.7 x 2.6 cm
Titanite (twins) on matrix (ex Kay Robertson Collection)
Capelinha, Jequitinhonha Valley, Minas Gerais, Brazil
7.7 x 7.2 x 2.2 cm
Goethite (good quality) (ex Kay Robertson Collection)
Lake George area, Park County, Colorado
3.5 x 3.1 x 2.1 cm
Fluorite on Barite (ex Kay Robertson Collection)
La Collada mining area, Siero, Asturias, Spain
5.2 x 4.3 x 2.6 cm
Purple Topaz on Magnesite
Brumado, Bahia, Brazil
4.0 x 3.6 x 2.7 cm
Cassiterite (twins) (ex Kay Robertson Collection)
Panasqueira, Covilha, Castelo Branco District, Portugal
4.6 x 3.3 x 3.2 cm
Chrysocolla (var: Cornuite) (ex Kay Robertson Collection)
79 Mine, Chilito, Hayden area, Banner District, Dripping Spring Mts, Gila County, Arizona
5.7 x 2.9 x 2.9 cm
Fluorite with Quartz (ex Kay Robertson Collection)
Stolberg, Harz, Saxony-Anhalt, Germany
7.3 x 5.3 x 3.9 cm
Fluorite (mined 1977 by Rich Kosnar and Dave Bergman)
Sweet Home mine, near Alma, Park County, Colorado
4.2 x 3.7 x 1.2 cm
Fluorite on Quartz
Shangbao mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China
5.3 x 4.7 x 3.0 cm
Mineral Auctions