Wood Opal and Hibonite Physical Properties

Wood 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

Not Available

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

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Wood Opal and Hibonite Chemical Formula

While comparing Wood 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 Wood Opal and Hibonite chemical formula.

Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare Gems Found In Australia

Wood Opal Vs Alunite

Wood Opal Vs Druzy

Wood Opal Vs Canadian Ammolite

Wood Opal and Hibonite Specific Gravity

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