Richardsollyite

Overview

TlPbAsS3
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	6.392 g/cc
Hardness - Mohs	Richardsollyite - 3.0-3.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	gray-black
Streak	black

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	none
Tenacity	brittle
Fracture	uneven
Luster	metallic

Similar Minerals

Dana number has not been assigned at this time.

Nickel-Strunz number has not been assigned at this time.

Specimens

Localities

Uses