Hibonite and Periclase Physical Properties

Hibonite

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.843.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

{0001} good, {10 1 0} parting

{001} perfect; {111} imperfect, may exhibit parting on , {011}

1.7 Mohs Hardness

7.5-85.5-6

2 10

1.8 Chemical Composition

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

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Hibonite and Periclase Chemical Formula

While comparing Hibonite and Periclase 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 Periclase chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Hibonite and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Periclase Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.7-3.9 whereas that of Periclase is 3.7-3.9.