A STUNNING, GEMMY and lustrous magenta tremolite variety hexagonite crystal from a CLASSIC locality - Fowler, New York. Hexagonite is the manganoan variety of tremolite and is very RARE in this quality. The crystal has an unusual, etched termination. Hexagonite is a very RARE tremolite varietal, found in only a few localities in New York. Ex. Dick Jones Collection. 14.74 carats or nearly 3 grams.