pascalites

Pascalites is a historical term used in mineralogical literature to refer to a supposed mineral species. Contemporary mineral nomenclature does not recognize pascalites as a valid mineral name. The original description, if any, is obscure, and there is no consensus on identity.

The name appears to be derived from the surname Pascal, but the exact origin and intended composition are unclear. Because no modern analyses confirm a distinct chemical formula, crystal structure, or type locality, pascalites lacks a defined mineralogical identity.

Today, pascalites is generally regarded as a historical curiosity or potential misidentification rather than a valid mineral. It may appear in older texts as a placeholder or confused reference to other minerals or materials.

See also: misidentification in mineralogy, historical minerals, and the list of minerals recognized by the International Mineralogical Association.