Wood Opal and Hematite Physical Properties

Wood Opal

Hematite

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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

1.98-2.505.00-5.30

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Not Available

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

5.5-6.56

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Wood Opal and Hematite Chemical Formula

While comparing Wood Opal and Hematite 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 Hematite chemical formula.

Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Compare Gems Found In Australia

Wood Opal Vs Canadian Ammolite

Wood Opal Vs Alunite

Wood Opal Vs Druzy

Wood Opal and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wood Opal and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wood Opal and Hematite Optical Properties during the identification of gemstone. Specific gravity of Wood Opal is 5.00-5.30 whereas that of Hematite is 5.00-5.30.