Tektite

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Physical & Optical Properties

Mohs Hardness 5.5
Specific Gravity 2.34 – 2.51
Refractive Index 1.49 – 1.52
Crystal System Amorphous
Color various

Mohs Hardness

Mohs Hardness: 5.5
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Budget (< $50/ct)

About Tektite

Tektites are natural glass objects formed by the fusion and rapid cooling of terrestrial rock material ejected during meteorite impact events, creating aerodynamically shaped bodies—spheres, teardrops, dumbbells, and buttons—that range from black to olive-green and brownish. Moldavite, the most prized tektite, is a forest-green glass from Bohemia, Czech Republic, formed by the Nördlingen impact 15 million years ago, while australites, philippinites, and indochinites are found across southern Asia and Australia. Tektites are among the few terrestrial gemstones with an extraterrestrial origin event.

Jewelry Use

Durability 4/10

Science FYI Family

Frequently Asked Questions

What is Tektite?
Tektites are natural glass objects formed by the fusion and rapid cooling of terrestrial rock material ejected during meteorite impact events, creating aerodynamically shaped bodies—spheres, teardrops, dumbbells, and buttons—that range from black to olive-green and brownish. Moldavite, the most priz
What is the hardness of Tektite?
Tektite has a Mohs hardness of 5.5, making it moderate for use in jewelry.
What color is Tektite?
Tektite is primarily Various.
How much does Tektite cost?
Tektite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Tektite?
Tektite belongs to the Amorphous crystal system.

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