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Labradorite
Labradorite

Pleonast
Pleonast



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Labradorite
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Pleonast

Labradorite and Pleonast Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.69-2.72-9999
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
-

Cleavage

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

Mohs Hardness

6-6.5-9999
2 10
👆🏻

Chemical Composition

(Na,Ca)1-2Si3-2O8
MgAl2O4

Labradorite and Pleonast Chemical Formula

While comparing Labradorite and Pleonast 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 Pleonast chemical formula.

  • Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
  • Chemical formula of Pleonast- MgAl2O4

Labradorite and Pleonast Specific Gravity

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