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Hibonite
Hibonite
☒

Purpurite
Purpurite
☒



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Hibonite
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Purpurite

Hibonite and Purpurite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.84
Subconchoidal, Conchoidal
{0001} good, {10 1 0} parting
7.5-8
(Ca,Ce)(Al,Ti,Mg)12O19
 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Hibonite and Purpurite Chemical Formula

While comparing Hibonite and Purpurite 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 Purpurite chemical formula.

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Hibonite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite Vs Purpurite during the identification of gemstone. Specific gravity of Hibonite is whereas that of Purpurite is .