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Mustard Jasper
Indonesia
5.59 ct, 14.12 mm x 10.10 mm
Rutile included Quartz
Brazil
47.32 ct, 26.04 mm x 19.92 mm
Spinel (gem crystal)
Burma
0.34 ct, 4.35 mm x 3.16 mm x 2.03 mm
Fluorite
Argentina
21.53 ct, 20.11 mm x 15.07 mm
Blue Topaz (natural color)
Brazil
1.87 ct, 9.06 mm x 7.11 mm
Pink Opal
Peru
2.14 ct, 10.10 mm x 8.10 mm
Prehnite
Mali
3.45 ct, 10.46 mm x 8.57 mm
Apatite
Madagascar
0.14 ct, 3.56 mm
Oligoclase (rare)
Tanzania
1.35 ct, 8.3 mm x 6.6 mm
Citrine
Brazil
2.10 ct, 10.50 mm x 7.09 mm
Ametrine (cut by Brett Kosnar)
Anahi, Bolivia
3.13 ct, 10.01 mm
Cassiterite
Viloco mine, Loayza Province, La Paz Department, Bolivia
3.7 x 2.7 x 1.3 cm
Paravauxite with Sigloite
Contacto vein, Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
7.8 x 4.2 x 2.3 cm
Silver
Porco mine, Quijarro Province, Potosi Dept., Bolivia
2.3 x 1.6 x 1.1 cm
Vauxite with Paravauxite and Childrenite (new find)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for two species)
3.7 x 2.8 x 2.6 cm
Valentinite
Colavi mine, Cornelio Saavedra Province, Potosi Department, Bolivia
2.7 x 2.7 x 1.7 cm
Siderite on Pyrite with Stannite
Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosu Department, Bolivia
2.2 x 2.0 x 1.2 cm
Rhodochrosite with Galena and Sphalerite (ex Rich Kosnar Collection)
Richardson Stope, #1 Level, Brooklyn Mine, Anvil Mountain, San Juan County, Colorado
2.7 x 2.1 x 1.3 cm
Gold on Quartz
Little Johnnie Mine (Ibex Mine), Leadville, Lake County, Colorado
1.7 x 0.6 x 0.5 cm
Quartz "cast" after Calcite (ex Rich Kosnar Collection)
Crystal Cave, Ouray County, Colorado
5.2 x 3.7 x 2.7 cm
Pyrite (classic "Cathedral Gothic" faces) (ex Rich Kosnar Collection)
#3 Ore Body, 1250' Level, Black Cloud Mine, Leadville, Lake County, Colorado
2.7 x 2.7 x 1.8 cm
Yellow Garnet on "Hancockite" (ex Rich Kosnar and Pat Gross Collections)
Parker Shaft, Franklin Mining District, Sussex County, New Jersey
1.3 x 0.9 x 0.8 cm
Prehnite (rare blue color) (ex Rich Kosnar Collection)
Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
9.6 x 8.8 x 4.2 cm
Mooreite (ex Rich Kosnar and Pat Gross Collections)
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey (Type Locality)
1.3 x 0.9 x 0.8 cm
Planerite and Turquoise (ex Allen Heyl and Rich Kosnar Collections)
General Trimble's Mine, East Whiteland Township, Chester Co., Pennsylvania, USA
1.6 x 1.5 x 1.3 cm
Pyromorphite
Daoping Mine, Gongcheng, Guilin area, Guangxi Zhuang Autonomous Region, Central South Region, China
2.0 x 1.8 x 1.3 cm
Stolzite (classic material)
Broken Hill, Yancowinna Co., New South Wales, Australia
3.2 x 2.6 x 1.2 cm
Inesite ("bow tie") with Hubeite
Daye Iron mine, Edong Mining District, Daye Co., Huangshi Prefecture, Hubei Province, China
2.9 x 1.1 x 1.0 cm
Stilbite (ex Brian Kosnar Collection)
Jalgaon, Maharashtra State, India
7.8 x 7.3 x 3.7 cm
Tarbuttite (ex Rich Kosnar Collection)
Broken Hill mine, Zambia (Type Locality)
2.3 x 1.7 x 1.3 cm