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Aquamarine and Schorl
Erongo Mountains, Erongo Region, Namibia
4.0 x 3.6 x 3.4 cm
Olmiite
Nchwaning II Mine, Kalahari fields, Northern Cape Province, South Africa
4.2 x 2.3 x 2.3 cm
Heulandite with Celadonite inclusions
Jalgaon, Maharashtra, India
5.0 x 3.5 x 2.9 cm
Epistilbite
Nasik District, Maharashtra, India
5.0 x 4.5 x 3.6 cm
Rhodonite
Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil
6.2 x 5.0 x 4.7 cm
Shattuckite pockets with Malachite
Kaokoveld Plateau, Kunene Region, Namibia
7.0 x 5.0 x 4.0 cm
Fluorite
Riemsvasmaak, South Africa
6.5 x 5.4 x 3.2 cm
Actinolite
Otjiwarongo District, Otjozondjupa Region, Namibia
6.5 x 2.3 x .4 cm
Stilbite (bowtie)
Jalgaon District, Maharashtra, India
8.5 x 5.5 x 5.0 cm
Manganvesuvianite
Wessels Mine, Hotazel, Kalahari MN fields, South Africa
5.7 x 3.4 x 3.2 cm
Molybdenite (unusual crystal habit)
Onganja, Windhoek District, Khomas Region, Namibia
3.8 x 2.7 x 2.3 cm
Rhodochrosite
Wessels Mine, Hotazel, Kalahari MN fields, South Africa
2.3 x 2.2 x 1.4 cm
Garnet
Aggeneys, Northern Cape Province, South Africa
5.3 x 4.8 x 3.9 cm
Smoky Quartz and Schorl
Erongo Mountains, Erongo Region, Namibia
5.8 x 5.0 x 4.0 cm
Smoky Quartz with Amethyst on Quartz
Orange River Area, Namibia
29.0 x 19.0 x 10.0 cm
Gold on Quartz (ex Rich Kosnar Collection)
Phillips Lode, near Alma, Park County, Colorado
7.5 x 6.1 x 4.1 cm
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