AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New York > Calcite with Barite overgrowth

Calcite with Barite overgrowth from ZCA Hyatt Mine, Talcville, St. Lawrence County, New York

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 73381
Mineral:	Calcite with Barite overgrowth
Locality:	ZCA Hyatt Mine, Talcville, St. Lawrence County, New York
Description:	Lustrous translucent-to-transparent gray-colorless rhombohedral calcite crystals to 22 mm with small pale-yellow barite (rare) microcrystals on the surfaces that fluoresce white under UV illumination and phosphoresce when illumination is extinguished. Ex. Art Wright collection, collected 1999. Fluoresces bright creme-white under 365 nm LW UV illumination and white under 254 nm SW UV illumination
Overall Size:	6.2x5x4 cm
Crystals:	micro to 22 mm
Archived:	For reference only

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