Consignment and Collection Auctions - Ends May 27th

Ends Thursday, May 27, at 6:45 PM (Central Time)

Consignments from the Kosnar family collections and inventory (with many classic minerals and Bolivian specimens).
Filter By

Paravauxite with Vauxite
Siglo XX mine, Llallagua, Bustillos Province, Potosi Department, Bolivia
2.3 x 2.2 x 1.0 cm
Cassiterite (very lustrous crystals)
Viloco mine, Loayza Province, La Paz Department, Bolivia
5.2 x 5.2 x 3.2 cm
Red Quartz
Potosi Department, Bolivia
7.2 x 5.7 x 3.2 cm
Potosiite
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
3.8 x 2.3 x 2.0 cm
Siderite on Pyrite with Stannite
Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosu Department, Bolivia
4.0 x 2.3 x 2.2 cm
Valentinite (rare and good quality)
Colavi mine, Cornelio Saavedra Province, Potosi Department, Bolivia
4.8 x 3.0 x 2.1 cm
Pyrargyrite (new find)
Porco, Agua de Castilla, Antonio Quijarro Province, Potosu Department, Bolivia
1.4 x 1.2 x 1.2 cm
Rhodochrosite (classic material) (ex Brian Kosnar Collection)
Sunnyside mine, near Silverton, San Juan County, Colorado
2.4 x 2.2 x 1.3 cm
Siderite with Pyrite (ex Richard and Brian Kosnar Collections)
1700' Level, Eagle mine, Gilman, Eagle County, Colorado
7.0 x 6.0 x 3.7 cm
Fluorite with Calcite (ex Rich Kosnar Collection)
Naica Mine, Naica, Mun. de Saucillo, Chihuahua, Mexico
4.8 x 3.7 x 1.8 cm
Amazonite (ex Rich Kosnar Collection)
C. G. Coil Claim on Yucca Hill, Steven's Ranch, near Lake George, Park County, Colorado
7.2 x 5.3 x 2.7 cm
Quartz Cast (ex Brian Kosnar Collection)
Cunningham Gulch, near Silverton, San Juan County, Colorado
3.6 x 1.0 x 0.2 cm
Gypsum (ex Brian Kosnar Collection)
Millington Quarry, Bernards Township, Somerset County, New Jersey
7.2 x 5.0 x 2.8 cm
Acanthite
Santa Elena Mine, Fresnillo, Zacatecas, Mexico
1.7 x 1.7 x 1.6 cm
Amethyst (with slight phantoms) (ex Rich Kosnar Collection)
Goboboseb Mountain, Brandberg area, Uis District, Erongo Region, Namibia
3.7 x 1.8 x 1.7 cm
Pyroaurite (ex Rich Kosnar Collection)
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
1.7 x 1.1 x 0.6 cm
Kongsbergite (Mercury-bearing Native Silver) (ex Brian Kosnar Collection)
Santa Matilde Quarry, Cuevas de Almanzora, Almerua, Andalusia, Spain
4.4 x 3.2 x 2.1 cm
Aquamarine (ex Brian Kosnar Collection)
Baha, Shigar Valley, Baltistan, Northern Areas, Pakistan
9.1 x 6.4 x 5.2 cm
Spessartine on Albite (ex Brian Kosnar Collection)
Shengus, Baltistan, Northern Areas, Pakistan
8.7 x 6.5 x 5.2 cm
"Phengite" (superb color!) (ex Brian Kosnar Collection
Goias, Brazil
2.0 x 1.2 x 0.6 cm
Sphalerite
Shizhuyuan Mine, Chenzhou, Chenzhou Prefecture, Hunan Province, China
7.3 x 5.3 x 4.3 cm
Pyrite with Sphalerite
Huanuco Department, Peru
4.3 x 4.2 x 3.0 cm
Prehnite on Quartz (ex Brian Kosnar Collection)
Brandberg area, Brandberg District, Erongo Region, Namibia
3.2 x 1.9 x 1.3 cm
Elbaite (Tourmaline)
Afghanistan
2.57 ct, 8.0 mm
Imperial Topaz
Ouro Preto, Brazil
2.20 ct, 9.1 mm x 6.1 mm
Galena (ex Rich Kosnar Collection)
Sweetwater mine, Reynolds County, Ellington, Missouri
7.7 x 6.4 x 5.9 cm
Vivianite (classic material)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia
7.4 x 5.8 x 4.4 cm