Johannsenite
A variety of Minerals
What is Johannsenite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Johannsenite 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
- blue-green, grey-white, dark brown, colourless
- Hardness (Mohs)
- 6
- Rock tumbling
- With care
- Streak
- white
Chemical Properties
- Chemical Formula
- CaMn2+Si2O6
- Elements
- Ca, Mn, O, Si
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Johannsenite FAQs
How do I identify Johannsenite?
Johannsenite can be identified by its hardness of 6 on the Mohs scale, blue-green color. Look for these key characteristics when examining specimens.
What color is Johannsenite?
Johannsenite typically appears in blue-green, grey-white, dark brown, colourless. Color can vary depending on impurities and formation conditions.
How hard is Johannsenite?
Johannsenite has a hardness of 6 on the Mohs scale. This gives it moderate hardness.
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