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Tourmaline on Schorl
Momeik, Mogok, Burma
5.4 x 4.0 x 3.9 cm
Kyanite
Nepal
2.44 ct, 9.45 mm x 6.69 mm
Aquamarine
Mozambique
2.46 ct, 9.93 mm x 8.05 mm
Serpentine (Bowenite) (Chrome bearing)
Afghanistan
3.95 ct, 17.0 mm x 12.3 mm
Tourmaline
Mozambique
2.61 ct, 9.0 mm
Tsavorite Garnet (matched pair)
Kenya
0.52 ct (total weight), 4.4 mm approximately each
Pendant, Pink/Purple Spinel in Sterling Silver (Made by Brett Kosnar)
Burma
3.00 ct (approx weight of Spinel), 34.58 mm x 19.27 mm
Sapphire
Sri Lanka
2.49 ct, 7.5 mm x 5.6 mm
Earrings, Gaspeite with Citrine in 14kt White Gold
Various Localities
7.00 ct (approx total weight of all stones), 25.45 mm x 23.94 mm
Prehnite Carving, Sea Turtles
Mali
188.7 grams (943.50 carats), 9.9 x 6.2 x 4.9 cm
Pollucite (rare)
Afghanistan
6.42 ct, 14.40 mm x 10.60 mm
Apatite
Durango, Mexico
10.95 ct, 18.0 mm x 10.1 mm
Tourmaline Carving, Seahorse
Brazil
7.37 ct, 24.40 mm x 13.28 mm
Diamond Crystal
South Africa
3.83 ct, 7.03 mm x 6.90 mm x 6.74 mm
Earrings, Orange Drusy Quartz and Diamonds in 14kt Yellow Gold (Made by Brett Kosnar)
Brazil
5.00 ct (approx weight of Quartz), 0.06 ct (Diamonds)
Scapolite
Sri Lanka
48.98 ct!, 28.9 mm x 23.3 mm
Samarskite (very rare)
Afghanistan
10.51 ct!, 17.6 mm x 9.4 mm
Vauxite with Paravauxite (new find)
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for both species)
5.4 x 3.0 x 1.2 cm
Sulfur
El Desierto mine, San Pablo de Napa, Daniel Campos Province, Potosi Department, Bolivia
4.7 x 2.5 x 1.7 cm
Euclase ex. Marilyn Dodge Coll
Miami Mine, near Karoi, Zimbabwe
2.2 x 2.1 x 1.4 cm
Wulfenite ex. Bruckner Coll.
Los Lamentos, Chihuahua, Mexico
4.3 x 4.1 x 2.7 cm
Quartz (doubly-terminated floater)
Hot Springs area, Arkansas
24.5 x 9.9 x 8.8 cm
Pyromorphite
Bunker Hill Mine, Kellogg, Shoshone County, Idaho
8.3 x 5.9 x 5.3 cm
Tourmaline (old finds circa 1970s)
Pederneira Mine, Minas Gerais, Brazil
6.8 x 3.4 x 2.2 cm
Tourmaline (found 2002-2003)
Pederneira Mine, Minas Gerais, Brazil
17.3 x 5.6 x 1.4 cm
Azurite
Tsumeb Mine, Tsumeb, Namibia
7.8 x 5.4 x 4.3 cm
Emerald
Bahia, Northeast Region, Brazil
13.9 x 6.0 x 3.4 cm
Apophyllite with Stilbite (ex Brian Kosnar Collection)
Lonavala Quarry, Pune (Poonah), Maharashtra, India
12.4 x 8.7 x 6.2 cm
Amethyst (doubly-terminated reverse scepters!)
Bombori, Potosi Department, Bolivia
4.2 x 3.8 x 1.7 cm
Potosiite (large crystals!)
San Jose mine, Oruro City, Cercado Province, Oruro Department, Bolivia
4.3 x 3.2 x 2.3 cm