Edgrewite
A variety of Chegemite series Group
What is Edgrewite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Edgrewite 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.
Edgrewite Localities Map
See where Edgrewite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colorless
- Hardness (Mohs)
- 5.5 - 6.5
Chemical Properties
- Chemical Formula
- Ca9(SiO4)4F2
- Elements
- Ca, F, O, Si
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Edgrewite FAQs
How do I identify Edgrewite?
Edgrewite can be identified by its hardness of 5.5 - 6.5 on the Mohs scale, Colorless color. Look for these key characteristics when examining specimens.
What color is Edgrewite?
Edgrewite typically appears in Colorless. Color can vary depending on impurities and formation conditions.
How hard is Edgrewite?
Edgrewite has a hardness of 5.5 - 6.5 on the Mohs scale. This gives it moderate hardness.