Nabesite
A variety of Minerals
What is Nabesite?
Nabesite is a rare silicate mineral of the zeolite group with the chemical formula Na2BeSi4O10·4(H2O). It occurs as colorless to white orthorhombic crystals in thin platy mica like sheets. It has the zeolite structure. Its Mohs hardness is 5 to 6 and its specific gravity is 2.16. The reported refractive index values are nα=1.499, nβ=1.507, and nγ=1.511. It was discovered in the Ilimaussaq intrusive complex, of southwest Greenland, and first recognized in 2000. It occurs in tugtupite-bearing albitite, a rare highly alkaline igneous rock.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Nabesite 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.
Nabesite Localities Map
See where Nabesite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- colourless to white
- Hardness (Mohs)
- 5 - 6
- Density
- 2.21 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- Na2BeSi4O10 · 4H2O
- Elements
- Be, H, Na, O, Si
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Nabesite FAQs
How do I identify Nabesite?
Nabesite can be identified by its hardness of 5 - 6 on the Mohs scale, colourless to white color. Look for these key characteristics when examining specimens.
What color is Nabesite?
Nabesite typically appears in colourless to white. Color can vary depending on impurities and formation conditions.
How hard is Nabesite?
Nabesite has a hardness of 5 - 6 on the Mohs scale. This gives it moderate hardness.
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