Origin: Keeweenaw Peninsula, Houghton Co., Michigan, U.S.A.
Ex - Gene Meieran Collection
Sample size: 9.6 x 5 x 3 cm
Origin: Osarizawa Mine, Akita Prefecture, Honshu Island, Japan, Asia
Sample size: 14 x 12.5 x 7 cm
Abundant crystals of copper and
pyrochroite are set in cavities between bladed
barite
crystals on this large cabinet sized specimen. Native
lead is
present as sheets and small nodules scattered about the specimen. The copper
is found as dendritic crystalline masses with distorted dodecahedra as the
dominant crystal form.
Origin: Långban, Sweden
Harry von Eckermann Collection
Sample size: 12 x 9 x 5.2 cm
Trinityminerals.com
Origin: Dzhezkazgan, Kazakhstan
Sample size: 25 mm in height
Origin: Manto Cuba, Inca del Oro, Region III, Chile
Sample size: 23 x 28 mm
Origin: Bisbee, Cochise Co., Arizona, U.S.A.
Sample size: 5.5 cm in height
Origin: Ray mine, Pinal Co., Arizona, U.S.A.
Sample size: 4 cm in height
Vuggy gossan matrix richly covered with fine, acicular and dendritic copper
crystals to 5 mm.
Origin: Bisbee, Arizona, United States
Eaton Collection
Sample size: small cabinet (top), 6 x 6 x 5 cm (2nd row), 3 x 2 x 1 cm
(bottom)
The copper is exposed near the end of the specimen and the copper inclusions
in the
calcite are very visible.
Origin: Quincy mine, Houghton, Michigan, United States
Erling Collection
Sample size: 7.5 x 4 x 4 cm
Origin: Ray Mine, Pinal County, Arizona, U.S.A.
Ex. Jason New collection
Sample size: 6.3 x 2.3 x 1.3 cm
Origin: Cole Shaft, Bisbee, Cochise County, Arizona, U.S.A.
Ex. Lazard Cahn specimen, Richard Graeme , Stoudt collections
Sample size: 24.5 x 13.1 x 4.1 cm
