Mindat Short Description
In daylight, natural hardystonite is a very non-descript massive ashen white mineral distinguished from massive calcite by a lack of cleavage and a somewhat greasy luster. (Note: Many photographers over-expose images of hardystonite to accentuate the b...
Geoscience Ontology Status Notes
Wolff J E (1899) On hardystonite, a new calcium-zinc silicate from Franklin Furnace, New Jersey, Proceedings of the American Academy of Arts and Sciences 34, 479-481
IMA Formula (from Mindat)
Ca2ZnSi2O7
RRUFF Formula (from Geoscience Ontology)
Ca2Zn2+Si2O7