AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Barite over Calcite

Barite over Calcite from Wapping Mine, Matlock Bath, Derbyshire, England

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 81428
Mineral:	Barite over Calcite
Locality:	Wapping Mine, Matlock Bath, Derbyshire, England
Description:	Bladed translucent gray-brown barite crystals to 12 mm crystallized over a 40 mm calcite core. The barite crystals fluoresce white under longwave and shortwave ultraviolet illumination, and phosphoresce when illumination is extinguished. Ex. Peter Ward (UK)
Overall Size:	5x3.5x3.5 cm
Crystals:	5-12 mm
Archived:	For reference only

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