Banded Carnelian
Banded Carnelian tumbled
A variety of Agate
What is Banded Carnelian?
Banded Carnelian is a semi-precious stone prized for its beautiful yellow, orange, or amber bands combined with white. This effect is created by combined layers of Carnelian and Agate, which are both varieties of the mineral known as Chalcedony. Most of these polished stones are mined and produced in Botswana.
Optical Properties
- Refractive Index
- 1.530-1.543
- Birefringence
- 0.004
- Pleochroism
- None
- Optical Character
- Biaxial positive
- Dispersion
- 0.013
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Banded Carnelian 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.
Banded Carnelian Localities Map
See where Banded Carnelian is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Orange
- Streak
- White
Chemical Properties
- Chemical Formula
- SiO2
- Elements
- Si, O
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Banded Carnelian FAQs
How do I identify Banded Carnelian?
Banded Carnelian can be identified by its Orange color. Look for these key characteristics when examining specimens.
What color is Banded Carnelian?
Banded Carnelian typically appears in Orange. Color can vary depending on impurities and formation conditions.
