Post Denver Show Fine Mineral Auction - ends Oct 3, 2019

Post-Denver Show auction this week featuring a great selection with plenty of classics, unusual pieces, gem crystals and fine quality display specimens from well-known mineral collections and world-famous localities. 
 
Highlights this week include:
 
1. Old, rare Aspen, Colorado SILVER
2. Superb large PYROMORPHITE from Les Farges
3. Rare RHODOCHROSITES from the Logan Collection
4. Large unusual tabular QUARTZ from Brazil
5. Classics and rarities from the Kay Robertson Collection
6. Rare AXINITE and EPIDOTE from the Type Locality. 
 
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Silver w/ Acanthite? (old - RARE Aspen, CO) Goodsell Coll.
Della S. Mine, Aspen District, Pitkin Co., Colorado
3.4 x 2.8 x 2.8 cm
Large tabular DT floater Quartz (rare Brazil) ex Matioli Coll.
Fazenda Nova, Setubinha, Minas Gerais, Brazil
19.8 x 7.8 x 1.8 cm
Large superb Pyromorphite (classic France)
Les Farges Mine, Ussel, Correze, Nouvelle-Aquitaine, France
10.7 x 7.7 x 4.8 cm
Rhodochrosite, Goethite & Fluorite (RARE combo) Logan Coll.
Uchucchacua Mine, Oyon Province, Lima, Peru
3.7 x 3.8 x 2.8 cm
Azurite & Malachite
Liufengshan Mine, Guichi District, Chizhou, Anhui, China
12.5 x 6.3 x 5.3 cm
Chabazite w/ Heulandite (classic locale)
Wasson Bluff, Parrsboro, Cumberland Co., Nova Scotia, Canada
5.0 x 2.8 x 2.2 cm
Color-zoned Fluorite w/ Quartz (New Find)
Qinglong Mine, Dachang Sb ore field, Qinglong Co., Guizhou, China
13.9 x 9.1 x 3.4 cm
Amethyst w/ Calcite (RARE combo)
Piedra Parada (Las Vigas), Veracruz, Mexico
6.9 x 6.8 x 4.3 cm
Hureaulite (Kay Robertson Coll.)
Criminoso claim, Agua Boa, Minas Gerais, Brazil
3.1 x 2.8 x 2.8 cm
Cassiterite twins on Albite (Rolando Gioia Coll.)
Linopolis, Divino das Laranjeiras, Minas Gerais, Brazil
7.0 x 3.6 x 2.2 cm
Color-zoned Fluorite w/ hydrocarbons (1980s find)
Minerva No. 1 Mine, Cave-in-Rock, Hardin County, Illinois
6.7 x 4.0 x 3.2 cm
DT Manganoan Calcite (2017 find - fluorescent!)
Huanggang Mine, Hexigten, Inner Mongolia A.R., China
12.0 x 3.1 x 2.5 cm
Realgar on Calcite (Kay Robertson Coll.)
Shimen Mine, Changde Prefecture, Hunan Province, China
5.4 x 3.9 x 3.0 cm
Evansite w/ Doyleite - 2016 find
Baoshan, Yunnan, China
5.0 x 2.7 x 1.6 cm
DT floater gem Kunzite (1918 find - 176 grams)
Mawi pegmatite, Nuristan Province, Afghanistan
11.5 x 5.2 x 1.6 cm
Pseudocubic Wulfenite w/ Mimetite (2008 find)
San Juan Poniente, Mina Ojuela, Mapimi, Durango, Mexico
9.0 x 5.3 x 3.3 cm
Spherocobaltite with Carrollite (illustrated) Logan Coll.
Kamoya South II Mine, Kambove District, Haut-Katanga, DR Congo
7.5 x 4.7 x 4.5 cm
Bi-colored Fluorite (classic locale) Kay Robertson Coll.
Johannesschacht Mine, Wolsendorf, Upper Palatinate, Bavaria, Germany
7.1 x 5.0 x 4.3 cm
Chalcopyrite (classic locale) Kay Robertson Coll.
La Gardette Mine, Le Bourg-d'Oisans, Isere, Auvergne-Rhone-Alpes, France
4.3 x 3.7 x 1.8 cm
Rhodochrosite (rare ltaly) W.S. Logan Coll.
Fosso della Chiesa Mine, Murlo, Siena Province, Tuscany, Italy
3.8 x 2.5 x 2.2 cm
Axinite-(Fe) w/ Epidote (Type Locality for both) Robertson Coll.
Le Bourg-d'Oisans, Isere, Auvergne-Rhone-Alpes, France
2.9 x 2.6 x 1.5 cm
Fluorite (fluorescent) Shields Flynn Coll.
Erongo Mts, Karibib, Erongo Region, Namibia
8.1 x 4.9 x 3.1 cm
Fluorite, Baryte & Marcasite (rare) Sanabria Coll.
Moscona Mine, Solis, Villabona mining area, Asturias, Spain
17.7 x 15.0 x 3.6 cm
Gemmy Fluorite cuboctahedrons
Huanggang Mine, Hexigten, Inner Mongolia A.R., China
7.3 x 5.2 x 4.4 cm
Smoky Quartz, Hematite after Siderite & Albite
Lake George, Park Co., Colorado
12.6 x 11.3 x 8.2 cm
Large Calcite w/ Baryte (Sanabria Coll.)
Moscona Mine, Solis, Villabona mining area, Asturias, Spain
21.1 x 12.0 x 7.5 cm
Fluorite (Paul Zerfass Coll.)
Berbes Mining area, Ribadesella, Asturias, Spain
11.2 x 8.1 x 7.4 cm
Fibrous Sugilite (rare - 2016-17 finds)
N'Chwaning III Mine, Kuruman, Kalahari manganese field, South Africa
2.8 x 1.3 x 1.3 cm
Gemmy DT Calcite twin (old classic) Kay Robertson Coll.
St Andreasberg, Harz, Lower Saxony, Germany
5.5 x 3.3 x 2.8 cm
Rhodochrosite & Fluorite (fluorescent) W.S. Logan Coll.
Wutong Mine, Liubao, Wuzhou, Guangxi, China
6.0 x 4.9 x 3.2 cm