Anthophyllite and Hibonite Physical Properties

Anthophyllite

Hibonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.9-3.53.84

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

{0001} good, {10 1 0} parting

Mohs Hardness

5.5-67.5-8

2 10

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Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Anthophyllite and Hibonite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Hibonite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Anthophyllite and Hibonite Specific Gravity

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