Dumortierite Group

A variety of Dumortierite Supergroup

What is Dumortierite Group?

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Dumortierite Group 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.

Dumortierite Group Localities Map

See where Dumortierite Group 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.

Quick Facts

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Related Dumortierite Supergroup

No image

Holtite Group

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