Lacroixite
A variety of Tilasite Group
What is Lacroixite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Lacroixite 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.
Lacroixite Localities Map
See where Lacroixite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless, light yellow, light green, almost white; colourless in transmitted light.
- Hardness (Mohs)
- 4.5
- Density
- 3.29 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- NaAl(PO4)F
- Elements
- Al, F, Na, O, P
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Lacroixite FAQs
How do I identify Lacroixite?
Lacroixite can be identified by its hardness of 4.5 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Lacroixite?
Lacroixite typically appears in Colourless, light yellow, light green, almost white; colourless in transmitted light.. Color can vary depending on impurities and formation conditions.
How hard is Lacroixite?
Lacroixite has a hardness of 4.5 on the Mohs scale. This gives it moderate hardness.