Fluor-liddicoatite
Fluorliddicoatite
A variety of Tourmaline Group

What is Fluor-liddicoatite?
A rare member of the tourmaline group, fluor-liddicoatite is a brittle but very hard material categorized only in 1977. A prismatic crystal, fluor-liddicoatite often exhibits color zoning in which different sections may be darker, lighter or a different shade entirely. It is named for Richard Liddicoat, the gemologist who invented the GIA diamond-grading system.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Fluor-liddicoatite 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.
Fluor-liddicoatite Localities Map
See where Fluor-liddicoatite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Light-brown, pink to red, green, blue, rarely white
- Hardness (Mohs)
- 7.5
- Density
- 3.02 g/cm³
- Streak
- Light brown, white
Chemical Properties
- Chemical Formula
- Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
- Elements
- Al, B, Ca, F, H, Li, O, Si

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Fluor-liddicoatite FAQs
How do I identify Fluor-liddicoatite?
Fluor-liddicoatite can be identified by its hardness of 7.5 on the Mohs scale, Light-brown color. Look for these key characteristics when examining specimens.
What color is Fluor-liddicoatite?
Fluor-liddicoatite typically appears in Light-brown, pink to red, green, blue, rarely white. Color can vary depending on impurities and formation conditions.
How hard is Fluor-liddicoatite?
Fluor-liddicoatite has a hardness of 7.5 on the Mohs scale. This makes it a relatively hard mineral suitable for jewelry.

