Bigrigg Mine, Bigrigg, Egremont, Copeland, Cumbria, England
Ex. Chicago Field Museum from Wards Scientific, circa 1895
12.8 x 14.2 x 16.4 cm
The largest crystals are better than 10 cm in length.
$500

Cook's Kitchen Mine, Carn Brea, Camborne - Redruth - St Day District, Cornwall, England
1800s, Ex. H. R. Mc Broom, purchased from Sam Weller, 1985
9.2 x 8.5 x 2.8 cm
crystals to 5 mm
$1000

Bor Pit (Boron Pit), Dal'negorsk B deposit, Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Russia
10.8 x 8.5 x 4.3 cm
$600

Itatia Mine, Conselheiro Pena, Minas Gerais, Brazil
A_2-mTa₂X_6-wZ_-n on Mn²⁺Sn⁴⁺Ta₂O₈
10.1 x 7.4 x 6.5 cm
$750

Val Val, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubunden), Switzerland
Ex. Marty Zinn
8.2 x 6.3 x 5.6 cm
$1750

Fengjiashan Mine (Daye copper mine), Daye Co., Huangshi Pref., Hubei Prov., China
8.5 x 6 x 2.7 cm
$750

Himalaya Mine, San Diego Co., California
5.7 x 3.1 x 2.6 cm
52 grams
$1750

Arqueana Mine, Itinga, Minas Gerais, Brazil
Ex. Frank Melanson (Hawthorneden)
3.9 x 1.2 x 1.1 cm
$1000