Gemdle

Bronzite

brown

Bronzite, a brown mineral
Mai Seppel · CC BY-SA 4.0
ColourBrown
Mohs hardness5–6
LustreVitreous to submetallic (bronzy schiller)
StreakGrey-white
Crystal systemOrthorhombic
TransparencyTranslucent to opaque
CleavageGood
FractureUneven
Chemical formula(Mg,Fe)SiO₃
Specific gravity3.2–3.5

What is Bronzite?

Bronzite is a member of the pyroxene group of minerals, belonging with enstatite and hypersthene to the orthorhombic series of the group. Rather than a distinct species, it is really a ferriferous variety of enstatite, which owing to partial alteration has acquired a bronze-like sub-metallic luster on the cleavage surfaces.

How to identify Bronzite

Can you spot Bronzite?

Test yourself on photos of Bronzite and lookalikes:

Frequently asked questions

How hard is Bronzite?
Bronzite is Mohs 5–6 on the hardness scale.
What colour is Bronzite?
Bronzite is typically brown.