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Cavansite on Stilbite and Basalt
Wagholi Quarry, Pune, Maharashtra, India
6.4 x 4.9 x 3.8 cm
Hematite "iron rose"
Minas Gerais, Brazil
6.8 x 4.9 x 3.7 cm
color-zoned Fluorite with etched Calcite hole
Minerva No. 1 Mine, Cave-in-Rock, Hardin County, Illinois
5.0 x 4.5 x 4.2 cm
Rhodochrosite (classic locale)
Huallypon Mine, Pasto Bueno, Ancash Department, Peru
2.4 x 1.2 x 1.1 cm
DT Amethyst Quartz scepter (Charlie Key)
Orange River, Karas Region, Namibia
6.8 x 3.5 x 3.2 cm
Fluorite on Creedite ex. Evan Jones
Mina Navidad, Durango, Mexico
4.2 x 3.9 x 2.8 cm
Fluorite octahedrons
Riemvasmaak, Kakamas District, Northern Cape Prov., South Africa
10.5 x 9.9 x 2.9 cm
Weird fishtail-twinned Gypsum (old) Mullane Coll.
Lake Gilles, Corunna Station, South Australia, Australia
8.8 x 2.4 x 1.8 cm
Barite (uncommon locale)
Santa Rita Mine, Nieves, Zacatecas, Mexico
5.0 x 4.5 x 3.2 cm
"Velvety" chatoyant Malachite
Shilu Mine, Yangchun Co., Guangdong Province, China
5.9 x 4.5 x 3.2 cm
Jamesonite and Pyrite (classic locale) Stoudt Coll.
Sombrerete, Zacatecas, Mexico
6.0 x 5.5 x 5.4 cm
Topaz (natural blue color) (cut by Brett Kosnar)
Brazil
11.35 ct, 12.44 mm
Pendant, Tahitian Pearl in Sterling Silver with a chain (custom made by Brett Kosnar)
N/A
16 inches (chain), 10.0 mm (Pearl)
Amethyst (good color)
Anahi, Bolivia
6.62 ct, 11.19 mm
Earrings, Peridot in Sterling Silver (custom made and designed by Brett Kosnar)
Arizona
Bracelet, Spessartine and Cubic Zirconia in Sterling Silver
N/A
4.3 ct (approximate weight of all gems), 7.25 inches (bracelet)
Emerald
North Carolina
0.50 ct, 5.73 mm x 4.74 mm
Tourmaline (multicolor crystal)
Stak Nala, Skardu Road, Haramosh Mts., Gilgit, Northern Areas, Pakistan
2.4 x 2.3 x 1.7 cm
Pyromorphite (ex Brian Kosnar and Harold Urish Collections)
Bunker Hill Mine, Kellogg, Coeur d'Alene District, Shoshone County, Idaho
4.7 x 3.7 x 1.2 cm
Aquamarine on Albite
Shigar, Skardu, Northern Areas, Pakistan
4.2 x 2.0 x 1.4 cm
Chabazite with Heulandite on Amethyst after Anhydrite (ex Brian Kosnar Collection)
Upper New Street Quarry, Paterson, Passaic Count, New Jersey
5.8 x 4.3 x 3.7 cm
Valentinite (2011 find)
San Jose Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
7.2 x 4.3 x 2.3 cm
Andorite on Jamesonite with Stannite
San Jose mine, Oruro Department, Bolivia
4.9 x 3.3 x 3.2 cm
Vauxite with Paravauxite and Childrenite
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for two species)
4.7 x 4.1 x 1.4 cm
Ferberite with Marcasite
Tasna mine, Rosario section of Cerro Tasna, Nor Chichas Province, Potosi Department, Bolivia
6.5 x 6.2 x 5.1 cm
Pyromorphite (rare from Bolivia)
Huari-Hauri, Saavedra Province, Potosi Department, Bolivia
5.0 x 3.3 x 2.7 cm
Aragonite (unique "floater")
Corocoro District, Pacajes Province, La Paz Department, Bolivia
3.7 x 3.3 x 2.7 cm
Rhodochrosite (ex Brian Kosnar collection)
Emma Mine, Butte District, Silver Bow County, Montana
4.8 x 2.7 x 2.3 cm
Rosasite with Hemimorphite (ex Harold Urish and Brian Kosnar Collections)
Omega Mine, Monument Mountain, Helvetia, Santa Rita Mts, Pima County, Arizona
4.1 x 3.3 x 2.7 cm
Barite
Stoneham, Weld County, Colorado
3.4 x 2.7 x 2.6 cm