Colorless prismatic parascholzite crystals in vugs of the quartz matrix. From Hagendorf South Pegmatite, Bavaria, Germany. Ex. Erich Laskowski collection. — Photo: David Hospital · CC BY-SA 4.0
Parascholzite
Parascholzite is an IMA-recognized mineral species in the phosphate class, with the chemical formula CaZn₂(PO₄)₂·2H₂O.
It crystallizes in the monoclinic crystal system (space group C2/c).
Key properties: Mohs hardness 4; specific gravity 3.12; White streak; Vitreous luster; optically biaxial.
IMA symbol Pslz, IMA status: approved, named in 1980.
A secondary mineral produced by alteration of primary phosphates in complex granite pegmatites.
It is found associated with Scholzite, vivianite, phosphophyllite, strengite (Hagendorf, Germany).
Its name comes from the Greek para, for near, and its dimorphous relation to scholzite.