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FINE MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday May 17th, 2018

Displaying 1-30 of 45 results...

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Brochantite (rare locality specimen) (ex Kay Robertson Collection)
Bou Beker, Touissit-Bou Beker District, Jerada Province, L'oriental Region, Morocco
Size:Small Cabinet
Size Description: 6.7 x 5.0 x 4.2 cm

Brochantite (rare locality specimen) (ex Kay Robertson Collection)

Current High Bidder:everett278
Close Time:5/17/2018 07:02:48 PM(CDT)

Time Left:Auction Is Closed

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Samarskite-(Y) (very rare locality specimen) (ex Kay Robertson Collection)
Nuevo Mine (Nuevo Quarry), Nuevo, Lakeview Mts, Riverside County, California
Size:Thumbnail
Size Description: 2.1 x 1.9 x 1.3 cm

Samarskite-(Y) (very rare locality specimen) (ex Kay Robertson Collection)

Current High Bidder:gatewayrock
Close Time:5/17/2018 07:01:22 PM(CDT)

Time Left:Auction Is Closed

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Uraninite with Rutherfordine coating (very rare) (ex Kay Robertson Collection)
Lukwengule, Uluguru Mts (Uruguru Mts), Morogoro Region, Tanzania (Type Locality for Rutherfordine)
Size:Thumbnail
Size Description: 1.7 x 1.5 x 1.3 cm

Uraninite with Rutherfordine coating (very rare) (ex Kay Robertson Collection)

Current High Bidder:everett278
Close Time:5/17/2018 06:57:39 PM(CDT)

Time Left:Auction Is Closed

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Adamite (classic material) (ex Kay Robertson Collection)
Ojuela Mine, Mapimi, Durango, Mexico
Size:Small Cabinet
Size Description: 7.6 x 6.6 x 5.1 cm

Adamite (classic material) (ex Kay Robertson Collection)

Current High Bidder:oldrock
Close Time:5/17/2018 06:52:54 PM(CDT)

Time Left:Auction Is Closed

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Rhodochrosite with Quartz
Sweet Home Mine, Mount Bross, Buckskin Gulch, Alma District, Park County, Colorado
Size:Miniature
Size Description: 4.1 x 3.8 x 2.6 cm

Rhodochrosite with Quartz

Current High Bidder:adgoreck
Close Time:5/17/2018 06:52:35 PM(CDT)

Time Left:Auction Is Closed

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Brookite
Kharan, Baluchistan, Pakistan
Size:Small Cabinet
Size Description: 7.3 x 7.0 x 4.6 cm

Brookite

Current High Bidder:moondoggie
Close Time:5/17/2018 06:49:59 PM(CDT)

Time Left:Auction Is Closed

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Goethite (fine botryoidal specimen) (ex Kay Robertson Collection)
Wolfsheim, Pfalz, Germany
Size:Small Cabinet
Size Description: 7.6 x 6.4 x 3.1 cm

Goethite (fine botryoidal specimen) (ex Kay Robertson Collection)

Current High Bidder:everett278
Close Time:5/17/2018 06:49:48 PM(CDT)

Time Left:Auction Is Closed

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Azurite Nodule ("floater") (ex Mullane Collection)
Bisbee, Cochise County, Arizona
Size:Thumbnail
Size Description: 3.0 x 2.7 x 2.1 cm

Azurite Nodule (

Current High Bidder:moondoggie
Close Time:5/17/2018 06:49:26 PM(CDT)

Time Left:Auction Is Closed

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Bixbyite (rare locality)
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
Size:Thumbnail
Size Description: 2.7 x 1.7 x 1.3 cm

Bixbyite (rare locality)

Current High Bidder:everett278
Close Time:5/17/2018 06:48:16 PM(CDT)

Time Left:Auction Is Closed

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Fluorite (GEM quality)
Llamas Quarry, Duyos, Obdulia vein, Caravia District, Caravia mining area, Asturias, Spain
Size:Thumbnail
Size Description: 1.4 x 1.1 x 0.9 cm

Fluorite (GEM quality)

Current High Bidder:mark.campbell06@charter.net
Close Time:5/17/2018 06:47:55 PM(CDT)

Time Left:Auction Is Closed

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Azurite partially altering to Malachite (classic material) (ex Kay Robertson Collection)
105 Stope, 1900' Level, Campbell Shaft, Bisbee, Warren District, Mule Mts, Cochise County, Arizona
Size:Small Cabinet
Size Description: 6.3 x 5.7 x 4.2 cm

Azurite partially altering to Malachite (classic material) (ex Kay Robertson Collection)

Current High Bidder:moondoggie
Close Time:5/17/2018 06:47:26 PM(CDT)

Time Left:Auction Is Closed

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Talc (var: Steatite) pseudomorph after Mica Schist (ex Kay Robertson Collection)
Johannes Mine, Göpfersgrün, Wunsiedel, Fichtelgebirge, Franconia, Bavaria, Germany
Size:Small Cabinet
Size Description: 7.2 x 6.9 x 2.6 cm

Talc (var: Steatite) pseudomorph after Mica Schist (ex Kay Robertson Collection)

Current High Bidder:cookieman
Close Time:5/17/2018 06:47:10 PM(CDT)

Time Left:Auction Is Closed

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Phosphophyllite ("butterfly" twins)
Huayllani mine, Infiernillos mine, Huayllani, Machacamarca District, Saavedra Province, Potosi Department, Bolivia
Size:Toenail
Size Description: 3.2 x 3.2 x 2.0 cm

Phosphophyllite (

Current High Bidder:everett278
Close Time:5/17/2018 06:47:04 PM(CDT)

Time Left:Auction Is Closed

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Bournonite on Quartz
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
Size:Small Cabinet
Size Description: 7.2 x 4.7 x 2.7 cm

Bournonite on Quartz

Current High Bidder:everett278
Close Time:5/17/2018 06:46:43 PM(CDT)

Time Left:Auction Is Closed

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Schorl on gneiss (ex Kay Robertson Collection)
Binntal, Wallis (Valais), Switzerland
Size:Small Cabinet
Size Description: 8.1 x 3.6 x 2.1 cm

Schorl on gneiss (ex Kay Robertson Collection)

Current High Bidder:karose1
Close Time:5/17/2018 06:46:37 PM(CDT)

Time Left:Auction Is Closed

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Quartz (unique material) (ex Brian Kosnar Collection)
Banska Stiavnica (Schemnitz), Banska Bystrica Region, Slovakia
Size:Small Cabinet
Size Description: 7.8 x 6.1 x 3.1 cm

Quartz (unique material) (ex Brian Kosnar Collection)

Current High Bidder:cookieman
Close Time:5/17/2018 06:46:32 PM(CDT)

Time Left:Auction Is Closed

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Quartz (GEM quality) with iron oxide inclusions (ex Rolando Gioia Collection)
Diamantina, Minas Gerais, Brazil
Size:CABINET
Size Description: 14.7 x 3.1 x 2.2 cm

Quartz (GEM quality) with iron oxide inclusions (ex Rolando Gioia Collection)

Current High Bidder:gt818
Close Time:5/17/2018 06:46:30 PM(CDT)

Time Left:Auction Is Closed

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Analcime (ex Charlie Key Collection)
Poudrette Quarry (Demix Quarry) Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Size:Thumbnail
Size Description: 3.1 x 3.1 x 2.6 cm

Analcime (ex Charlie Key Collection)

Current High Bidder:gatewayrock
Close Time:5/17/2018 06:45:24 PM(CDT)

Time Left:Auction Is Closed

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Bayldonite (rare locality specimen) (ex Paul Lowe Collection)
Penberthy Croft Mine, St Hilary, Cornwall, England, UK (Type Locality)
Size:Small Cabinet
Size Description: 6.3 x 5.3 x 3.7 cm

Bayldonite (rare locality specimen) (ex Paul Lowe Collection)

Current High Bidder:everett278
Close Time:5/17/2018 06:45:17 PM(CDT)

Time Left:Auction Is Closed

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Cafarsite (rare arsenate)
Wannigletscher / Scherbadung (Monte Cervandone), Kriegalp Valley, Binn Valley, Wallis (Valais), Switzerland (Type Locality)
Size:Miniature
Size Description: 4.3 x 2.3 x 1.7 cm

Cafarsite (rare arsenate)

Current High Bidder:lawkivi
Close Time:5/17/2018 06:45:16 PM(CDT)

Time Left:Auction Is Closed

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Mimetite (classic material)
Ojuela Mine, Mapimi, Durango, Mexico
Size:Small Cabinet
Size Description: 4.7 x 2.2 x 1.6 cm

Mimetite (classic material)

Current High Bidder:keith
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Uvite Tourmaline (pleochroic purple and green) on Magnesite
Pomba Pit, Serra das Eguas, Brumado, Bahia, Brazil
Size:Miniature
Size Description: 4.7 x 4.0 x 1.7 cm

Uvite Tourmaline (pleochroic purple and green) on Magnesite

Current High Bidder:everett278
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Rhodochrosite with Quartz (ex Dave Bergman Collection)
Sunnyside Mine, near Silverton, San Juan County, Colorado
Size:Miniature
Size Description: 3.5 x 3.2 x 2.9 cm

Rhodochrosite with Quartz (ex Dave Bergman Collection)

Current High Bidder:karose1
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Opal-AN (Hyalite Opal)
Chalk Mountain Mine, Spruce Pine, Spruce Pine District, Mitchell County, North Carolina
Size:CABINET
Size Description: 11.3 x 5.7 x 1.8 cm

Opal-AN (Hyalite Opal)

Current High Bidder:lawkivi
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Grosslar Garnet (rare GEM QUALITY colorless crystal)
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Quebec, Canada
Size:Thumbnail
Size Description: 1.3 x 1.0 x 1.0 cm

Grosslar Garnet (rare GEM QUALITY colorless crystal)

Current High Bidder:ericclapton
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Rhodonite (ex Rolando Gioia Collection)
Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil
Size:Toenail
Size Description: 3.2 x 1.3 x 1.1 cm

Rhodonite (ex Rolando Gioia Collection)

Current High Bidder:dlue1982
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Ferberite (classic material)
Panasqueira Mines, Covilha, Castelo Branco District, Portugal
Size:Thumbnail
Size Description: 3.1 x 1.6 x 1.5 cm

Ferberite (classic material)

Current High Bidder:lunareclipse33
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Brucite (good color)
Baluchistan, Pakistan
Size:Miniature
Size Description: 3.7 x 2.6 x 1.1 cm

Brucite (good color)

Current High Bidder:patchfinder
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Tourmaline (tri-color) (39.82 grams)
Paprok Mine, Kamdesh District, Nuristan Province, Afghanistan
Size:Miniature
Size Description: 5.0 x 2.1 x 1.8 cm

Tourmaline (tri-color) (39.82 grams)

Current High Bidder:guldyrocks
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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Amazonite (rare "striped" crystals) (ex Dave Bergman Collection)
R. A. Kosnar claim on Yucca Hill, Steven's Ranch, near Lake George, Park County, Colorado
Size:Small Cabinet
Size Description: 5.3 x 4.1 x 2.6 cm

Amazonite (rare

Current High Bidder:otis2005
Close Time:5/17/2018 06:45:00 PM(CDT)

Time Left:Auction Is Closed

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