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Tektite

black

Tektite, a black mineral
Brocken Inaglory · CC BY-SA 3.0
ColourBlack

What is Tektite?

Tektites are gravel-sized bodies composed of black, green, brown or grey natural glass formed from terrestrial debris ejected during meteorite impacts. The term was coined by Austrian geologist Franz Eduard Suess (1867–1941), son of Eduard Suess. They generally range in size from millimetres to centimetres. Millimetre-scale tektites are known as microtektites.

How to identify Tektite

Can you spot Tektite?

Test yourself on photos of Tektite and lookalikes:

Frequently asked questions

How hard is Tektite?
Tektite's hardness varies; see the property table above.
What colour is Tektite?
Tektite is typically black.