Labradorite and Piemontite Physical Properties

Labradorite

Piemontite

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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

2.69-2.72Not Available

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Uneven, Splintery

1.6 Cleavage

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

[001] good, [100] distinct

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Not Available

Labradorite and Piemontite Chemical Formula

While comparing Labradorite and Piemontite 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 Piemontite chemical formula.

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

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Labradorite and Piemontite Specific Gravity

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