Origin: Cut 20, Twin Creeks Mine, Humboldt Co., Nevada, Southwest USA
Sample size: 4.3 x 2.9 x 2.3 cm
Origin: Cut 62, Twin Creeks Mine, Humboldt Co., Nevada, Southwest USA
Sample size: 5. x 3.7 x 2.8 cm (top/2nd row), 4.6 x 3.6 x 2.3 cm (3rd/4th
row), 7 x 4.5 x 3 cm (5th/bottom row)
Bright orange orpiment crystals forming mounds on a matrix of yellowish
barite
and some tiny
quartz
crystals
Origin: Elbrusskiy Mine, Caucasus, Russia
Ex. Isaias Casanova collection
Sample size: 7 x 4 x 3 cm
Origin: Quiruvilca mine, Peru
Ex. Giovanni Signorelli collection
Sample size: 10 x 10 x 5 cm
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