Preobrazhenskite

Overview

Mg3B11O15(OH)9
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.45 g/cc
Hardness - Mohs	Preobrazhenskite - 4.5-5.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, yellow, gray
Streak	white

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	-
Tenacity	-
Fracture	-
Luster	-

Similar Minerals

Dana Number : 25.07.01.01

Class: 25

Group: 25.07

Subgroup: 25.07.01 - preobrazhenskite

Dana Number	Mineral Name	Formula
25.07.01.01	preobrazhenskite	Mg3B11O15(OH)9

Nickel-Strunz Number : 06.GB.15

Group : 06

Subgroup : GB

Nickel-Strunz Number	Mineral Name	Formula
06.GB.15	preobrazhenskite	Mg3B11O15(OH)9

Specimens

Localities

Uses