Labradorite and Helenite Physical Properties

Labradorite

Helenite

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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

2.69-2.72Not Available

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

6-6.5Not Available

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Not Available

Labradorite and Helenite Chemical Formula

While comparing Labradorite and Helenite 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 Helenite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Labradorite and Helenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Helenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Helenite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is Not Available whereas that of Helenite is Not Available.