POST-TUCSON FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday March 29th, 2018

Ends Thursday, March 29th, 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, Rolando Gioia, 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 stout, richly colored, 447 gram, doubly-terminated AQUAMARINE crystal from the Jaqueto Mine, Brazil
2. Newly mined specimen of multicolor OPAL in PETRIFIED WOOD from Indonesia
3. Classic red rhomb of RHODOCHROSITE on "needle" QUARTZ from the world famous Sweet Home Mine in Colorado
4. A hard to find matrix specimen of COPPER PSEUDOMORPHS after ARAGONITE on a sheet of COPPER from Bolivia
5. Rare, sharp, intense orange color of gemmy CLINOHUMITE from Tajikistan
6. An obscure and good quality golden CALCITE specimen from the Santa Fe Mine, near Hawkerville, Oklahoma
7. Classic, old, rich green color crystals of CHROME DIOPSIDE from Outokumpu, Finlad
8. Page 2 features plenty of minerals from the Kay Robertson collection
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Calcite (new find)
Pachapaqui District, Bolognesi Province, Ancash Department, Peru
7.8 x 6.2 x 5.2 cm
Clinohumite (gemmy!)
Gem spinel deposit, Kukh-i-Lal, Pyandzh River Valley, Pamir Mts, Viloyati Mukhtori Gorno-Badakhshan, Tajikistan
0.8 x 0.6 x 0.5 cm
Thomsonite (rare) on Stilbite
Aurangabad forest, near Nasik, Maharahstra State, India
8.3 x 5.2 x 3.4 cm
Diopside (Chromian Diopside) (old classic) (ex Richard Kosnar Collection)
Outokumpu Deposit, Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field, Eastern Finland Region, Finland
6.1 x 1.4 x 1.4 cm
Calcite (classic material)
Elmwood Mine, Smith County, Tennessee
8.3 x 7.8 x 2.6 cm
Brookite on Quartz (ex Obodda)
Taftan, near Dalbandi, Baluchistan, Pakistan
10.7 x 9.5 x 4.2 cm
Corundum (var: Ruby)
Winza, Mpapwa, Mpapwa District, Dodoma Region, Tanzania
1.0 x 0.8 x 0.7 cm
Pectolite (fine crystals)
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Quebec, Canada
4.1 x 3.7 x 1.1 cm
Tourmaline (Indicolite) (ex Rolando Gioia Collection)
Santa Rosa mine, Itambacuri, Minas Gerais, Brazil
3.3 x 1.4 x 1.1 cm
Topaz (classic material)
Klein Spitzkopje granite stock, Spitzkopje Area, Karibib, Erongo Region, Namibia
4.2 x 3.2 x 2.6 cm
Phosphophyllite (rare classic)
Unificada mine, Cerro Rico, Potosi City, Potosi Department, Bolivia
6.6 x 3.0 x 2.9 cm
Copper pseudomorph after Aragonite on Copper (rare matrix piece)
Corocoro District, Pacajes Province, La Paz Department, Bolivia
12.6 x 11.1 x 0.6 cm
Kunzite (ex Rolando Gioia Collection)
Urucum Mine, Galileia, Minas Gerais, Brazil
2.9 x 0.8 x 0.4 cm
Epidote (ex Rolando Gioia Collection)
Capelinha, Minas Gerais, Brazil
6.8 x 4.2 x 3.2 cm
Fluorite with Calcite
Moscona Mine, Solus, Corvera de Asturias, Villabona mining area, Asturias, Spain
4.2 x 3.2 x 1.6 cm
Kernite (rare)
U.S. Borax open pit, U.S. Borax Mine, Kramer Borate deposit, Boron, Kramer District, Kern County, California
4.0 x 0.6 x 0.4 cm
Barite with Malachite inclusions
Milpillas Mine, Cuitaca, Mun. de Santa Cruz, Sonora, Mexico
1.6 x 1.3 x 0.6 cm
Kyanite (rare locality specimen)
Yancey County, North Carolina
8.6 x 5.4 x 2.4 cm
Obsidian ("Apache Tear") on matrix
Picketpost Mountain area, Superior, Superior District, Pinal County, Arizona
4.1 x 4.0 x 3.8 cm
Iridescent Sphalerite (ex Stoudt Collection)
San Antonio Mine, East Camp, Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico
3.6 x 3.4 x 1.6 cm
Rhodochrosite (ex Stoudt Collection)
Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico
3.7 x 2.7 x 1.8 cm
Gypsum (ex Willard Wulff Collection)
Saint David area, Cochise County, Arizona
4.4 x 3.7 x 3.3 cm
Copper (rare locality specimen) (ex Kay Robertson Collection)
Mansfeld, Mansfeld Basin, Saxony-Anhalt, Germany
6.0 x 4.6 x 3.3 cm
Calcite (very rare locality specimen) (ex Kay Robertson Collection)
Santa Fe Mine, near Hawkerville, Ottawa County, Oklahoma
8.7 x 4.2 x 3.2 cm
Fluorite (color change crystals) (ex Kay Robertson Collection)
Freiberg District, Erzgebirge, Saxony, Germany
10.3 x 7.2 x 2.7 cm
Epidote (unusual growth) (ex Kay Robertson Collection)
Green Monster Mountain, Prince of Wales Island, Alaska
2.4 x 2.1 x 1.9 cm
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