Nail head or scepter calcite
Origin: Dal Negorsk, Primorskiy Kray, Russia
Sample size: 3.3 x 1.4 x 0.8 cm (top), 4 x 1.5 x 1.3 cm (bottom)
Calcite on cobaltoan calcite
Origin: Tsumeb Mine, Tsumeb, Namibia
Sample size: 4.3 x 2.1 x 1.7 cm
Calcite coloured green through inclusions of
chalcantite
Origin: Canaveille, Pyrenee Mts, France
Sample size: 11 x 7 x 2.5 cm
Calcite with golden yellow
barite
Origin: Hunan Province, China
Sample size: 11.5 x 9 x 4 cm
Calcite with inclusions of
plancheite needles. Largest
plancheite cluster is about 0.2 cm.
Origin: Mashamba West Mine, Shaba Crescent, Democratic Republic of Congo
Sample size: 4.8 x 3.8 x 3.5 cm
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