Calcite
Hollow tube of
dolomite
cast after some now-missing mineral, and coated with bright , sparkling
rhombohedral calcite crystals, ex. Nauke Oechslin Collection
Photo: John Schneider
Photo: John Schneider
Cuprian calcite, Photo: John Schneider
Calcite with oriented inclusions of
mottramite, ex. EM Gunnell collection
Calcite (plumbian) with
duftite,
ex. Willy Israel Collection
Calcite on
dolomite stalactites, Ex. Willy Israel Collection
Calcite twin, ex. Zweibels Collection
Calcite on
malachite, ex. Los Angeles County Museum, Marion Stuart Collections
Origin: Tsumeb, Namibia
Ex Sussman Collection
Sample size: 9.5 x 3 x 2 cm (top), 6 x 5x 4 cm (2nd row), 17 x 9 x 9 cm
(3rd row), 8 x 4.5 x 3.5 cm (4th row), 10 x 7 x 6 cm (5th row), 14 x 10 x 4 cm
(6th row), 10 x 8 x 5 cm (7th row), 9.5 x 6 x 6 cm (8th row), 10 x 6 x 4 cm
(9th row), 12 x 11 x 7 cm (10th row), 10 x 8 x 7 cm (11th row), 3 x 3 x 2 cm
(12th row), 5 x 4.5 x 3 cm (13th row), 16 x 7.5 x 8 cm
Origin: Egremont, Cumberland, England
Ex. Joe Polityka collection
Sample size: 3.5 x 0.8 x 0.8 cm
Origin: Calumet Mine, Houghton Co., Michigan, Central U.S.A.
Ex. Joe Polityka collection
Sample size: 3.2 x 1.8 x 1.8 cm
John Veevaert, Trinity Mineral Co
Origin: Shangbao Mine, Leiyang, Hengyang area, Hunan, Central South Region,
China
Sample size: 7.5 x 6.5 x 8.2 cm
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