Gutkovaite-(Mn)

Overview

CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.83 g/cc
Hardness - Mohs	Gutkovaite-(Mn) - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	light yellow pink
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - domatic
Cleavage	none
Tenacity	brittle
Fracture	uneven
Luster	vitreous, glassy

Similar Minerals

Dana Number : 60.01.03f.01

Class: 60

Group: 60.01

Subgroup: 60.01.03f - labuntsovite

Dana Number	Mineral Name	Formula
60.01.03f.01	gutkovaite-(Mn)	CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O)

Nickel-Strunz Number : 09.CE.30h

Group : 09

Subgroup : CE

Nickel-Strunz Number	Mineral Name	Formula
09.CE.30h	gutkovaite-(Mn)	CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O)

Specimens

Localities

Uses