Paraumbite

Overview

K3Zr2HSi6O18·3-7(H2O)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.59 g/cc
Hardness - Mohs	Paraumbite - 4.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, white, yellow
Streak	white

Crystal Properties

Property	Value
Crystal structure	orthorhombic - unknown
Cleavage	perfect
Tenacity	-
Fracture	-
Luster	vitreous, pearly

Similar Minerals

Dana Number : 59.02.01.01

Class: 59

Group: 59.02

Subgroup: 59.02.01 - umbite

Dana Number	Mineral Name	Formula
59.02.01.01	paraumbite	K3Zr2HSi6O18·3-7(H2O)
59.02.01.01	umbite	K2ZrSi3O9·(H2O)
59.02.01.03	kostylevite	K2ZrSi3O9·(H2O)

Nickel-Strunz Number : 09.DG.25

Group : 09

Subgroup : DG

Nickel-Strunz Number	Mineral Name	Formula
09.DG.25	paraumbite	K3Zr2HSi6O18·3-7(H2O)
09.DG.25	umbite	K2ZrSi3O9·(H2O)

Specimens

Localities

Uses