Rosasite and Labradorite Physical Properties

Rosasite

Labradorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.69-2.72

1 7.18

1.5 Fracture

Splintery

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {100} and {010}

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

1.7 Mohs Hardness

46-6.5

2 10

1.8 Chemical Composition

Not Available

(Na,Ca)_1-2Si_3-2O₈

Rosasite and Labradorite Chemical Formula

While comparing Rosasite and Labradorite 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 Rosasite and Labradorite chemical formula.

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

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Rosasite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rosasite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rosasite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Rosasite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.