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SC294 - Calcozincite (TL)


Locality: Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA (MINDAT)
Size: 12 x 9 x 3 cm - Large cabinet (10-15 cm)
Weight: 550 g
minID: 0P3-RJ0

Calcozincite (orange) surrounded by calcite (white) with black dots of franklinite. The calcite fluoresces a bright red under shortwave UV light. The calcozincite (a mix of calcite, zincite and tremolite fibers) fluoresces a weaker zoned pink/white. The back size is covered by calcite and franklinite with a little willemite, which fluorescences bright green.

Photo in normal light.
Fluorescence under shortwave UV light (254nm Hg light).
Fluorescence under shortwave UV light (254nm Hg light) with a yellow filter to remove the blue haze.
Photo in normal light.
Fluorescence under shortwave UV light (254nm Hg light).
Last update: 31 December 2020