Denisovite

Overview

(K,Na)Ca2Si3O8(F,OH)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.76 g/cc
Hardness - Mohs	Denisovite - 4.0-5.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	gray
Streak	gray white

Crystal Properties

Property	Value
Crystal structure	monoclinic - unknown
Cleavage	indistinct
Tenacity	brittle
Fracture	brittle
Luster	pearly

Similar Minerals

Dana Number : 65.02.01.07

Class: 65

Group: 65.02

Subgroup: 65.02.01 - wollastonite

Dana Number	Mineral Name	Formula
65.02.01.01a	wollastonite-1A	CaSiO3
65.02.01.02	bustamite	(Mn,Ca)3Si3O9
65.02.01.04	pectolite	NaCa2Si3O8(OH)
65.02.01.05	sérandite	Na(Mn+3,Ca)2Si3O8(OH)
65.02.01.07	denisovite	(K,Na)Ca2Si3O8(F,OH)

Nickel-Strunz Number : 09.HA.85

Group : 09

Subgroup : HA

Nickel-Strunz Number	Mineral Name	Formula
09.HA.85	denisovite	(K,Na)Ca2Si3O8(F,OH)

Specimens

Localities

Uses