Milk Opal and Hibonite Physical Properties

Milk Opal

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

1.98-2.503.84

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Not Available

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

5.5-6.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Milk Opal and Hibonite Chemical Formula

While comparing Milk Opal 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 Milk Opal and Hibonite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare White Gemstones

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Milk Opal Vs Natrolite

Milk Opal and Hibonite Specific Gravity

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