Olmiite

Overview

CaMn(SiO3(OH))(OH)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.05 g/cc
Hardness - Mohs	Olmiite - 5-5.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	pink
Streak	white

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	none
Tenacity	brittle
Fracture	irregular
Luster	vitreous, glassy

Similar Minerals

Dana Number : 78.01.08.02

Class: 78

Group: 78.01

Subgroup: 78.01.08 - poldervaartite

Dana Number	Mineral Name	Formula
78.01.08.02	olmiite	CaMn(SiO3(OH))(OH)

Nickel-Strunz Number : 09.AF.90

Group : 09

Subgroup : AF

Nickel-Strunz Number	Mineral Name	Formula
09.AF.90	olmiite	CaMn(SiO3(OH))(OH)

Specimens

Localities

Uses