Augite

A common pyroxene rock forming mineral found in igneous and metamorphic rocks.

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Information about Augite

A common pyroxene rock forming mineral found in igneous and metamorphic rocks.

It is a member of the clinopyroxene group.


Uses and History

Augite is not commonly used in industrial purposes, but it is sometimes sought after by mineral collectors.

The name augite comes from the Greek word ‘augites’, meaning brightness, a reference to the minerals lustre.

It was named by Abraham Gottlob Werner in 1792.


Mineralogy

Chemistry
A rock forming pyroxene mineral with the formula (Ca,Na)(Mg,Fe,Al)(Al,Si)2O6.
Colours and Variations

Brown-green, black, green, brown, off-white

Streak
Green-grey, light to dark brown.
Luster
Vitreous, resinous
Transparency
Translucent, opaque
Fracture
Uneven to conchoidal
Crystal habit
Prismatic crystals, acicular
Mohs hardness
5.5 – 6.0
Fluorescence
Specific Gravity
3.19 – 3.56
Easiest testing method

Hazards and Warnings

Mineral collectors should wash their hands after handling specimens, to avoid any exposure to potential toxins.

Almost all rocks, minerals (and, frankly, almost all other substances on earth) can produce toxic dust when cutting, which can cause serious respiratory conditions including silicosis.

When cutting or polishing rocks, minerals, shells, etc, all work should be done wet to minimise the dust, and a suitable respirator or extraction system should be used.

 


Translations

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English:

Italian:

Russian:

  • Авгит

French:

Japanese:

  • 普通輝石

Spanish:

  • Augita

German:

  • Augit

Korean:

Thai:

Gujurati:

Mandarin Chinese:

  • 普通辉石

Urdu:


Further Reading / External Links