Melanotekite

Overview

Pb2Fe+32Si2O9
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	5.73 g/cc
Hardness - Mohs	Melanotekite - 6.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	black, gray
Streak	green

Crystal Properties

Property	Value
Crystal structure	orthorhombic - disphenoidal
Cleavage	good
Tenacity	-
Fracture	-
Luster	sub-metallic

Similar Minerals

Dana Number : 56.02.10.01

Class: 56

Group: 56.02

Subgroup: 56.02.10 - melanotekite

Dana Number	Mineral Name	Formula
56.02.10.01	melanotekite	Pb2Fe+32Si2O9

Nickel-Strunz Number : 09.BE.80

Group : 09

Subgroup : BE

Nickel-Strunz Number	Mineral Name	Formula
09.BE.80	melanotekite	Pb2Fe+32Si2O9

Specimens

Localities

Uses