Tuscanite

Overview

K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)·(H2O)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.83 g/cc
Hardness - Mohs	Tuscanite - 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	colorless
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	distinct
Tenacity	-
Fracture	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 73.01.02.02

Class: 73

Group: 73.01

Subgroup: 73.01.02 - latiumite

Dana Number	Mineral Name	Formula
73.01.02.02	tuscanite	K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)·(H2O)

Nickel-Strunz Number : 09.EG.45

Group : 09

Subgroup : EG

Nickel-Strunz Number	Mineral Name	Formula
09.EG.45	tuscanite	K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)·(H2O)

Specimens

Localities

Uses