Fluornatropyrochlore

Overview

(Na,Pb,Ca,REE, U)2Nb2O6F
Fluorescence: none	Very Strongly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	5.275 g/cc
Hardness - Mohs	Fluornatropyrochlore - 4.0-4.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, yellow, orange, red
Streak	light yellow

Crystal Properties

Property	Value
Crystal structure	isometric -
Cleavage
Tenacity	brittle
Fracture
Luster	adamantine

Similar Minerals

Dana number has not been assigned at this time.

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

Specimens

Localities

Uses