Chaoite
A variety of Minerals
What is Chaoite?
Chaoite, or white carbon, is a mineral described as an allotrope of carbon whose existence is disputed. It was discovered in shock-fused graphite gneiss from the Ries crater in Bavaria. It has been described as slightly harder than graphite, with a reflection colour of grey to white. From its electron diffraction pattern, the mineral has been considered to have a carbyne structure, the linear acetylenic carbon allotrope of carbon. A later report has called this identification, and the very existence of carbyne phases, into question, arguing that the new reflections in the diffraction pattern are due to clay impurities.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Chaoite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Quick Facts
Physical Properties
- Color
- Black
- Hardness (Mohs)
- 1 - 2
- Rock tumbling
- Not recommended
- Density
- 3.43 g/cm³
Chemical Properties
- Chemical Formula
- C
- Elements
- C
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Chaoite FAQs
How do I identify Chaoite?
Chaoite can be identified by its hardness of 1 - 2 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Chaoite?
Chaoite typically appears in Black. Color can vary depending on impurities and formation conditions.
How hard is Chaoite?
Chaoite has a hardness of 1 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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