Also called Tirodite, is a Silicate of Magnesium and Manganese with formula
Hardness is 5-6 .
Well known among fluorescent minerals collectors: is shows a good reaction under UV
shortwave and longwave.Always translucent, rarely transparent , an inusual collector’s stone!
Is from the International Talc Company Mine (Reynold Mine), Talcville, St. Lawrence County, New York.
Size: 11.5x11.5x6.3 mm.