Labradorite and Fluorite Physical Properties

Labradorite

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

2.69-2.723.00-3.25

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

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

Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

6-6.54

2 10

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Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

CaF₂

Labradorite and Fluorite Chemical Formula

While comparing Labradorite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Fluorite- CaF₂

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Labradorite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.