Fluor-liddicoatite

Fluorliddicoatite

A variety of Tourmaline Group

Fluor-liddicoatite specimen

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.

Applies to all rocks & minerals.

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.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

More Images

Fluor-liddicoatite specimen
Robert M. Lavinsky
Fluor-liddicoatite specimen
Robert M. Lavinsky

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.

Related Tourmaline Group

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