Labradorite and Wood Opal Physical Properties

Labradorite

Wood Opal

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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

2.69-2.721.98-2.50

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

Not Available

1.7 Mohs Hardness

6-6.55.5-6.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

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

Labradorite and Wood Opal Chemical Formula

While comparing Labradorite and Wood Opal 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 Labradorite and Wood Opal chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Labradorite and Wood Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Wood Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Wood Opal Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 1.98-2.50 whereas that of Wood Opal is 1.98-2.50.