Origin: Mapimi, Durango, Mexico
Sample size: 8 x 3 x 3 cm, bottryoidal crystals smaller than 1 mm
Bright green micro crystals totally covering
quartz
crystals in large vug.
Origin: Gold Hill mine, Tooele Co., Utah, United States
Sample size: 4 x 2.5 x 1.5 cm, crystals to 0.75 mm (top), 6 x 5 x 4 cm
(bottom)
Origin: Tsumeb mine, Tsumeb, Namibia
Sample size: 5 x 2.5 x 3 cm
Ex. DeVito collection
Bright green conichalcite crystals as micro beads to less than 0.25 mm filling
a 2 cm vug and associated with prismatic
olivenite crystals.
Origin: Gold Hill mine, Tooele Co., Utah, United States
Sample size: 4 x 3 x 4 cm (top), 6 x 6 x 3 cm (2nd row), 5 x 5 x 4 cm (3rd
row), 5 x 5 x 4 cm (bottom)
Steve Rust
Origin: Tsumeb, Namibia
Sample size: 7 x 4 x 4 cm
Owner: John Schneider
Photo: John and Mark Schneider
Origin: Ojuela mine, Mapimi, Durango, Mexico
Sample size: 6 x 6 x 3 cm (top), 8.5 x 5 cm (bottom)
Origin: Yerington, Nevada, U.S.A.
Sample size: 23 x 35 x 16 mm