Inderite and Petalite Physical Properties

Inderite

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

1.792.40

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Inderite and Petalite Chemical Formula

While comparing Inderite 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 Inderite and Petalite chemical formula.

Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems Found in South Asia

Inderite Vs Maw Sit Sit

Inderite Vs Morganite

Inderite Vs Melanite

Inderite and Petalite Specific Gravity

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