Peridot and Hibonite Physical Properties

Peridot

Hibonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.553.84

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Poor

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

(Ca,Ce)(Al,Ti,Mg)12O19

Peridot and Hibonite Chemical Formula

While comparing Peridot and Hibonite 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 Peridot and Hibonite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Peridot and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.84 whereas that of Hibonite is 3.84.