Bornemanite

Overview

BaNa3((Na,Ti)4((Ti,Nb)2O2Si4O14)(F,OH)2)PO4
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.47-3.5 g/cc
Hardness - Mohs	Bornemanite - 3.5-4  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	light yellow
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - domatic
Cleavage	perfect
Tenacity	-
Fracture	-
Luster	pearly

Similar Minerals

Dana Number : 56.04.02.01

Class: 56

Group: 56.04

Subgroup: 56.04.02 - bornemanite

Dana Number	Mineral Name	Formula
56.04.02.01	bornemanite	BaNa3((Na,Ti)4((Ti,Nb)2O2Si4O14)(F,OH)2)PO4
56.04.02.02	bykovaite	BaNa((Na,Ti)4((Ti,Nb)2(OH,O)3Si4O14)(OH,F)2)·3(H2O)

Nickel-Strunz Number : 09.BE.50

Group : 09

Subgroup : BE

Nickel-Strunz Number	Mineral Name	Formula
09.BE.50	bornemanite	BaNa3((Na,Ti)4((Ti,Nb)2O2Si4O14)(F,OH)2)PO4
09.BE.50	bykovaite	BaNa((Na,Ti)4((Ti,Nb)2(OH,O)3Si4O14)(OH,F)2)·3(H2O)
09.BE.50	shkatulkalite	((Na,Mn,Ca,[])4(Nb2(O,H2O)4Si4O14)(OH,F)2)·2(H2O,[])

Specimens

Localities

Uses