Datolite
Origin: Caledonia Mine, Ontonogan County, Michigan, U.S.A.
Ex. Marty Zinn, Wally Mann collections
Sample size: 5.0 x 4.6 x 1.7 cm
Gemmy, light pastel green, lustrous crystals of datolite, the large one
measuring 4.8 cm, beside a cluster of sharp
quartz
crystals with sparkling with tiny
apophyllites.
Origin: First Sovietskiy Mine, Dalnegorsk, Primorsky Kray, Russia
Sample size: 6.8 x 5.4 x 3.9 cm
Datolite with copper inclusions
Origin: Ojibway Mine, Lake Superior District, Michigan, U.S.A.
Sample size: 4.4 x 3.2 x 1.6 cm, 4.3 x 3.4 x 1.4 cm
Origin: Delaware Mine, Keweenaw County, Michigan, U.S.A.
Sample size: 3.4 x 3.0 x 1.0 cm, 3.2 x 2.9 x 1.2 cm
Origin: Wessels Mine, Kalahari Manganese Fields, South Africa
Ex. Charlie Key collection
Sample size: 4.2 x 3.8 x 2.2 cm (top/2nd row), 3.3 x 3.0 x 1.8 cm (bottom)
Origin: Bor Pit (Boron Pit; Bor Quarry), Dal'negorsk (Dalnegorsk), Primorskiy
Kray, Far-Eastern Region, Russia
Sample size: 6.2 x 4.1 x 1.6 cm
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