Calcite with
chalcopyrite and
hematite
Origin: Pea Ridge mine, Washington Co., Missouri, U.S.A.
ex Rick Russell collection
Sample size: 6 x 9 x 3.5 cm
Calcite with minor
galena
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri,
U.S.A.
ex Rick Russell collection
Sample size: 3 x 4 x 4.5 cm
Calcite with
sphalerite and
chalcopyrite (backside)
Calcite with
fluorite
Calcite with
fluorite
Origin: Denton mine, Harris Creek district, ~7 km north of Cave in Rock,
Hardin Co., Illinois, U.S.A.
ex Rick Russell collection
Sample size: 7 x 4.5 x 5 cm (top), 5 x 4 x 5.5 cm (2nd row), calcite crystal 8
cm (3rd row), 9.5 x 7 x 6.5 cm (bottom)
Calcite with
malachite
inclusions (left), calcite with iron oxide inclusions (right)
Origin: Tsumeb, Namibia
Sample size: 4.5 x 4 x 2.5 cm (top left), 3 x 2 x 1 cm (top right), 5 x 3 x 3
cm (bottom left), 4 x 2.5 x 2.5 cm (bottom right)
Owner: John Schneider
Photo: John and Mark Schneider
Photo courtesy of:
