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Emerald
Carnaiba Mine, Pindobacu, Campo Formoso, Bahia, Brazil
9.9 x 5.9 x 3.8 cm
Rutilated Quartz cabochon set
Novo Horizonte, Bahia, Brazil
6.0 x 3.4 x 1.0 cm, 4.4 x 2.7 x 0.9 cm
Topaz (900 grams)
Itinga, Minas Gerais, Brazil
9.4 x 8.1 x 6.9 cm
Quartz - sceptred crystal
Divino das Laranjeiras, Minas Gerais, Brazil
16.1 x 6.6 x 5.2 cm
Lepidolite
Itinga, Minas Gerais, Brazil
15.0 x 12.6 x 9.7 cm
Muscovite pseudo. After Lepidolite
Taquaral, Minas Gerais, Brazil
20.0 x 15.5 x 10.7 cm
Quartz cluster
Macaco mine, Conselheiro Pena, Doce valley, Minas Gerais, Brazil
24.0 x 15.9 x 12.1 cm
Muscovite
Taquaral, Minas Gerais, Brazil
12.4 x 10.8 x 4.2 cm
Apatite (neon)
Bahia, Brazil
0.42 ct, 4.75 mm
Tsavorite Garnet
Kenya
0.28 ct, 4.03 mm x 3.69 mm
Tourmaline
Mozambique
3.02 ct, 10.12 mm x 8.47 mm
Sapphire
Sri Lanka
0.50 ct, 6.38 mm x 3.82 mm
Epidote included Quartz
Brazil
28.37 ct, 21.96 mm x 19.62 mm
Ring, Larimar in Sterling Silver (made and signed by Brett Kosnar)
Hispanola, Dominican Republic
6.18 ct (weight of stone), Ring Size = 8.5
Chrome Diopside
Inagli, Russia
0.50 ct, 5.11 mm
Tanzanite
Merelani, Tanzania
0.33 ct, 7.00 mm x 3.64 mm
Fire Opal in matrix
Mexico
4.17 ct, 15.89 mm x 9.67 mm
Tourmaline
Brazil
1.40 ct, 7.51 mm x 6.39 mm
Amazonite
Peru
11.69 ct, 18.19 mm x 13.10 mm
Rainbow Moonstone (Labradorite)
Orissa, India
1.90 ct, 9.33 mm x 7.09 mm
Boulder Opal
Queensland, Australia
2.04 ct, 10.50 mm x 7.44 mm
Spinel
Burma
1.07 ct, 6.65 mm x 5.92 mm
Imperial Jasper
Mexico
13.07 ct, 26.11 mm x 16.35 mm
Pyrite included Quartz
Brazil
5.51 ct, 11.00 mm x 9.60 mm
Sunstone (multicolor)
Plush, Oregon
1.24 ct, 9.48 mm x 5.37 mm