Pleonaste and Labradorite Physical Properties

Pleonaste

Labradorite

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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

3.802.69-2.72

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

86-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

(Na,Ca)_1-2Si_3-2O₈

Pleonaste and Labradorite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Labradorite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

Compare Blue Gemstones

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Pleonaste and Labradorite Specific Gravity

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