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Dolomite - Mineral Properties and Uses

Uses

Dolomite uses include: building stones, refractory bricks for furnace linings, ornamental stone, ore of metallic magnesium.

Color

colorless, white, pink, green, gray, brown, black

Streak

white

Luster

vitreous

Diaphaneity

transparent to translucent

Cleavage

perfect, rhombohedral

Hardness

3.5 - 4

Specific Gravity

2.8 - 2.9

Distinguishing
Characteristics

cleavage, powdered form effervesces in HCl

Crystal System

hexagonal

Dolomite Pictures

dolomite
Crystallized dolomite from Penfield, New York.
This specimen is approximately 3 inches (6.7 centimeters) across.

dolomite
Crystalline granular dolomite from Thornwood, New York.
This specimen is approximately 3 inches (6.7 centimeters) across.

dolomite
Dolomite from Lee, Massachusetts.
This specimen is approximately 4 inches (10 centimeters) across.

dolomite
Dolomite, used for asphalt paving from Penfield, New York.
These specimens are approximately 1/2 inch to 1 inch (1.3 centimeters to 2.5 centimeters) across.

dolomite
Crystalline granular dolomite from Thornwood, New York.
This specimen is approximately 4 inches (10 centimeters) across.




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