Boehmite and Natrolite
OXIDES; HYDROXIDES · ORTHORHOMBIC

Boehmite

AlO(OH)

Hardness
3–3.5
Streak
White
Spec. Gravity
3–3.1
System
Orthorhombic

About

Boehmite, also spelled as Böhmite, is one of the three component minerals of the economically important aluminum ore Bauxite. It is named after German mineralogist Johann Böhm.
 

Crystal Forms & Aggregates

Striking Features

Formation habits and mode of occurence

Environment

Polymorphs

Uses

Boemite, being an important component of Bauxite, is an important ore of aluminum.

Noteworthy Localities

Although common as a constitute in Bauxite deposits, Boehmite is very poorly represented as specimens. The locality of Saga 1 Quarry, Mørje, Telemark, Norway has produced good microcrystals of Boehmite.

Common Mineral Associations

Photos