Top crystal of gem hexagonal Catapleiite crystal from the famous Mont Saint-Hilaire, Quebec, Canada. It is 13mm, transparent and water clear, with strong light reflection, and sharp shape. The crystal has pretty beveled rims. It has small inclusions of an unidentified mineral. Ref: The Mineralogical Record, 21, 332-333. In excellent condition – base contact. On acrylic base.

Superb!