Baryte and Petalite Physical Properties

Baryte

Petalite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.3-52.40

1 7.18

1.5 Fracture

Irregular/uneven

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect

Perfect on {001}, poor on {201} with 38.5° angle between the two

1.7 Mohs Hardness

3-3.56-6.5

2 10

1.8 Chemical Composition

Not Available

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Baryte and Petalite Chemical Formula

While comparing Baryte and Petalite 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 Baryte and Petalite chemical formula.

Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Baryte Vs Hauyne

Baryte Vs Kainite

Baryte Vs Lawsonite

Baryte and Petalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Baryte and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Baryte and Petalite Optical Properties during the identification of gemstone. Specific gravity of Baryte is 2.40 whereas that of Petalite is 2.40.