Parakeldyshite

Overview

Na2Zr(Si2O7)
Fluorescence: orange white under SW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.39 g/cc
Hardness - Mohs	Parakeldyshite - 5.5-6.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue white, white
Streak	white

Crystal Properties

Property	Value
Crystal structure	triclinic - pinacoidal
Cleavage	-
Tenacity	-
Fracture	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 55.02.02.03

Class: 55

Group: 55.02

Subgroup: 55.02.02 - keyldyshite

Dana Number	Mineral Name	Formula
55.02.02.03	parakeldyshite	Na2Zr(Si2O7)

Nickel-Strunz Number : 09.BC.10

Group : 09

Subgroup : BC

Nickel-Strunz Number	Mineral Name	Formula
09.BC.10	parakeldyshite	Na2Zr(Si2O7)

Specimens

Localities

Uses