Tetrahedrite on
quartz
Origin: Back Pine mine, Granite Co., Montana, USA
Sample size: 3 x 3 x 3 cm, crystals to 1.2 cm
Tetrahedrite on
quartz
Origin: Sweet Home mine, Alma, Colorado, United States
Sample size: 3.5 x 3.5 x 1.7 cm (top), small cabinet with 1.4 cm tetrahedrite
crystal
Grey, metallic, nice tetrahedral crystals approximately 1 cm across.
Origin: Capnic, Romania
Sample size: 4.5 x 4 x 3 cm
Hard to tell from the photo, but very reflective and lustrous tetrahedrite
crystals to 6mm covering face with
chalcopyrite
Origin: Casapalca mine, Huarochiri Province, Lima dept., Peru
Sample size: 6 x 3 x 3 cm
Modified tetrahedrons to 5 mm associated with
chalcopyrite.
Origin: Herodsfoot mine, Cornwall, England
Sample size: 5 x 4 x 4 cm
Photo courtesy of:
