Dargaite
A variety of Nabimusaite Group
What is Dargaite?
Dargaite is a rare mineral with formula BaCa12(SiO4)4(SO4)2O3. It is the barium-analogue of nabimusaite, also differing from it in the lack of fluorine. It is one of many recently approved new minerals coming from the Hatrurim complex. Dargaite, as nabimusaite, is trigonal (space group R-3m).
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Dargaite 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
- Colorless
- Hardness (Mohs)
- 4.5 - 5
- Rock tumbling
- Not recommended
- Density
- 3.235 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- BaCa12(SiO4)4(SO4)2O3
- Elements
- Ba, Ca, O, S, Si
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Dargaite FAQs
How do I identify Dargaite?
Dargaite can be identified by its hardness of 4.5 - 5 on the Mohs scale, Colorless color. Look for these key characteristics when examining specimens.
What color is Dargaite?
Dargaite typically appears in Colorless. Color can vary depending on impurities and formation conditions.
How hard is Dargaite?
Dargaite has a hardness of 4.5 - 5 on the Mohs scale. This gives it moderate hardness.