Groatite
A variety of Minerals
What is Groatite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Groatite 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.
Groatite Localities Map
See where Groatite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless to pale yellow
- Hardness (Mohs)
- 3
- Density
- 3.213 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- NaCaMn2(PO4)[PO3(OH)]2
- Elements
- Ca, H, Mn, Na, O, P
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Groatite FAQs
How do I identify Groatite?
Groatite can be identified by its hardness of 3 on the Mohs scale, Colourless to pale yellow color. Look for these key characteristics when examining specimens.
What color is Groatite?
Groatite typically appears in Colourless to pale yellow. Color can vary depending on impurities and formation conditions.
How hard is Groatite?
Groatite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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