Schorlomite and Petalite Physical Properties

Schorlomite

Petalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.932.40

1 7.18

1.5 Fracture

Gems, Conchoidal, Brittle

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Schorlomite and Petalite Chemical Formula

While comparing Schorlomite 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 Schorlomite and Petalite chemical formula.

Chemical formula of Schorlomite- Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Schorlomite Vs Tourmaline

Schorlomite Vs Topaz

Schorlomite Vs Tortoiseshell

Schorlomite and Petalite Specific Gravity

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