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Hibonite
Hibonite

Calcite
Calcite



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Hibonite
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Calcite

Hibonite and Calcite Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.842.67-2.73
1 7.18
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Fracture

Subconchoidal, Conchoidal
Conchoidal

Cleavage

{0001} good, {10 1 0} parting
Perfect on [10 1 1] three directions with angle of 74° 55

Mohs Hardness

7.5-83
2 10
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Chemical Composition

(Ca,Ce)(Al,Ti,Mg)12O19
CaCO 3Ulrich Henn and Claudio C.

Hibonite and Calcite Chemical Formula

While comparing Hibonite and Calcite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Hibonite and Calcite chemical formula.

  • Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

Hibonite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.