Genthelvite
A variety of Minerals
What is Genthelvite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Genthelvite 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
- Colourless, white, yellow, green, pink to red, darkens to brown and black on weathering
- Hardness (Mohs)
- 6 - 6.5
- Rock tumbling
- With care
- Density
- 3.7 g/cm³
Chemical Properties
- Chemical Formula
- Be3Zn4(SiO4)3S
- Elements
- Be, O, S, Si, Zn
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Genthelvite FAQs
How do I identify Genthelvite?
Genthelvite can be identified by its hardness of 6 - 6.5 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Genthelvite?
Genthelvite typically appears in Colourless, white, yellow, green, pink to red, darkens to brown and black on weathering. Color can vary depending on impurities and formation conditions.
How hard is Genthelvite?
Genthelvite has a hardness of 6 - 6.5 on the Mohs scale. This gives it moderate hardness.
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