Buryatite

Overview

Ca3(Si,Fe+3,Al)(SO4)(B(OH)4)(OH,O)6·12(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	g/cc
Hardness - Mohs	Buryatite - 2.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	light purple gray
Streak	white

Crystal Properties

Property	Value
Crystal structure	trigonal - ditrigonal pyramidal
Cleavage	perfect
Tenacity	-
Fracture	sectile
Luster	vitreous, dull

Similar Minerals

Dana Number : 31.10.02.03

Class: 31

Group: 31.10

Subgroup: 31.10.02 - ettringite

Dana Number	Mineral Name	Formula
31.10.02.01	ettringite	Ca6Al2(SO4)3(OH)12·26(H2O)
31.10.02.03	buryatite	Ca3(Si,Fe+3,Al)(SO4)(B(OH)4)(OH,O)6·12(H2O)

Nickel-Strunz Number : 07.DG.15

Group : 07

Subgroup : DG

Nickel-Strunz Number	Mineral Name	Formula
07.DG.15	buryatite	Ca3(Si,Fe+3,Al)(SO4)(B(OH)4)(OH,O)6·12(H2O)
07.DG.15	ettringite	Ca6Al2(SO4)3(OH)12·26(H2O)
07.DG.15	jouravskite	Ca3Mn+4(SO4,CO3)2(OH)6·12(H2O)
07.DG.15	kottenheimite	Ca3Si(SO4)2(OH)6·12(H2O)
07.DG.15	tatarinovite	Ca3Al(SO4)(B(OH)4)(OH)6·12(H2O)
07.DG.15	thaumasite	Ca3Si(CO3)(SO4)(OH)6·12(H2O)

Specimens

Localities

Uses