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SC129 - Wollastonite


Locality: Gouverneur Talc Company No. 4 Quarry (Valentine deposit), Diana Township, Lewis Co., New York, USA (MINDAT)
Size: 9 x 5 x 4 cm - Cabinet (6-10 cm)
Weight: 109 g
minID: 2FW-LKL

Solid white wollastonite from Valentine deposit. Saying that this mineral is fluorescent is probably a stretch… It glows white/grey under shortwave UV light, with little yellow/orange bits under longwave UV light, but extremely weakly (not possible to make a photo). What is more interesting is the phosphorescence/afterglow. Again extremely weak, but well noticeable and very long lasting (minutes).

Photo in normal light.
Last update: 30 December 2020