Calcite tumbled

A variety of Calcite

What is Calcite tumbled?

The color of tumbled calcite tumbled can vary from beige and yellow to orange and green, depending on the type. It is produced from material mined in numerous localities around the world. Although the material is very soft and fragile, it still can be tumbled and polished.

Optical Properties

Refractive Index: 1.486-1.658
Birefringence: 0.172
Pleochroism: None
Optical Character: Uniaxial negative
Dispersion: 0.008-0.017

Market Value Factors

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

Where to Find Calcite tumbled

Calcite tumbled is a variety of Calcite. RockHoundR, the free-to-download rockhounding map from the Ruby Glint team, shows where collectors find calcite in the US, with land-access notes for BLM land and national forests. Collecting is banned in national parks.

See where to find calcite

Always check the local rules and get the landowner's permission before you collect.