Dolomite rock

Dolomite tumbled

A variety of Dolomite

What is Dolomite rock?

When tumbled, the dolomite rock is smooth and glasslike. Often in shades of red, brown, or orange, they can also be grey or cream. Dolomite rock is found worldwide in sedimentary basins, but particularly Italy and Brazil. It was used as an ornamental embellishment by some Ancient Civilizations and is a collector’s item. Large material is decoratively carved.

Optical Properties

Refractive Index
1.498-1.681
Birefringence
0.179-0.181
Pleochroism
None
Optical Character
Uniaxial negative

Dolomite rock Market Value Calculator

Estimate the market value of Dolomite rock 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.

Dolomite rock Localities Map

See where Dolomite rock 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

Streak
White

Chemical Properties

Chemical Formula
CaMg(CO3)2
Elements
C, Ca, Mg, O

Also Known As

Dolomite rockCompound SparMagnesiodolomiteMuricalcitePicrite (of Brogniart)
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