Formula: Bi₂Cu₃(PO₄)₂O₂(OH)₂ · H₂O

Species:

Colour: Cerulean blue

Lustre: Vitreous

Hardness: 2 – 3

Specific Gravity: 4.90

Crystal System: Monoclinic

Name: Named by T. Rídkošil, V. Šrein, J. Fábry, J. Hybler, and B.A. Maximov in 1992 in honor of Zdeněk Mrázek (1952 – 1984), a Czech mineralogist who first collected the species and suspected it was new.

Type Locality: Podlipa deposit, Ľubietová, Banská Bystrica District, Banská Bystrica Region, Slovakia