Seamanite

Overview

Mn3(PO4)B(OH)6
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.13 g/cc
Hardness - Mohs	Seamanite - 4  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow, brown, pink
Streak	white

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	indistinct
Tenacity	brittle
Fracture	brittle
Luster	vitreous, glassy

Similar Minerals

Dana Number : 43.04.05.01

Class: 43

Group: 43.04

Subgroup: 43.04.05 - seamanite

Dana Number	Mineral Name	Formula
43.04.05.01	seamanite	Mn3(PO4)B(OH)6

Nickel-Strunz Number : 06.AC.65

Group : 06

Subgroup : AC

Nickel-Strunz Number	Mineral Name	Formula
06.AC.65	seamanite	Mn3(PO4)B(OH)6

Specimens

Localities

Uses