Fossilized Coral

Easy to obtain

What is Fossilized Coral?

Fossilized coral is formed when ancient coral reefs are replaced by minerals like calcite or silica. The process preserves the intricate structures of the coral, creating unique patterns and colors. It is often found in sedimentary rocks and can exhibit a variety of colors depending on the minerals present.

Optical Properties

Refractive Index
1.486-1.658
Pleochroism
None

Discover Values

Rarity
3.0out of 5.0
60%
Popularity
3.8out of 5.0
76%
Beauty
4.0out of 5.0
80%
Cultural Value
3.2out of 5.0
64%
Collection Value
3.5out of 5.0
70%

Fossilized Coral Market Value Calculator

Estimate the market value of Fossilized Coral using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Preview only. Full pricing comps and valuation report in the app.

Fossilized Coral Localities Map

See where Fossilized Coral 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

Physical Properties

Color
Various, including white, gray, brown, red, and yellow
Hardness (Mohs)
3-4
Density
2.6-2.7 g/cm³
Luster
Vitreous to Dull
Crystal System
Hexagonal

Chemical Properties

Chemical Formula
CaCO3
Elements
Ca, C, O

Also Known As

Petrified CoralFossil Coral
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