Conch Shell
What is Conch Shell?
Conch shells are the hard, protective outer coverings of marine snails. They are typically found in warm ocean waters. The shells are composed primarily of calcium carbonate and are known for their varied colors and intricate spiral shapes. They are often used for decorative purposes, in jewelry, and in some cultures, as musical instruments.
Optical Properties
- Refractive Index
- 1.486-1.658
- Birefringence
- 0.150
- Pleochroism
- None
- Optical Character
- Biaxial negative
- Dispersion
- 0.020
Discover Values
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Conch Shell 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.
Conch Shell Localities Map
See where Conch Shell is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Various, including pink, orange, yellow, and white
- Hardness (Mohs)
- 3.5
- Density
- 2.7 g/cm³
- Luster
- Pearly
- Crystal System
- Amorphous
Chemical Properties
- Chemical Formula
- CaCO3
- Elements
- Ca, C, O
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Conch Shell FAQs
How do I identify Conch Shell?
Conch Shell can be identified by its hardness of 3.5 on the Mohs scale, Various color, Pearly luster, Amorphous crystal system. Look for these key characteristics when examining specimens.
What color is Conch Shell?
Conch Shell typically appears in Various, including pink, orange, yellow, and white. Color can vary depending on impurities and formation conditions.
How hard is Conch Shell?
Conch Shell has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.