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SC464 - Wollastonite, Albite


Locality: Mulvaney property (Rose Road wollastonite deposit; McDonald Sugar Bush), Rose Road, Pitcairn, St. Lawrence Co., New York, USA (MINDAT)
Size: 9.5 x 8 x 4 cm - Cabinet (6-10 cm)
Weight: 310 g
minID: MW6-UEX

Wollastonite and albite (both white) with little pieces of diopside (green) and titanite (brown). Under shortwave UV light the wollastonite and albite fluoresce dim pastel pink and red, respectively. The UV light also shows a brighter green fluorescence due to uranyl-activated hyalite or chalcedony. The wollastonite also shows a very dim, but also very long lasting, white phosphorescence/afterglow after exposure to shortwave UV light.

Left: Fluorescence under 254nm UVC (shortwave) Hg light. Right: normal light.
Left: Fluorescence under 365nm UVA (longwave) LED. Right: normal light.
Left: Fluorescence under 254nm UVC (shortwave) Hg light. Right: normal light.
Left: Fluorescence under 365nm UVA (longwave) LED. Right: normal light.
Last update: 27 December 2021