Langbeinite and Smithsonite Physical Properties

Langbeinite

Smithsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available4.00-4.65

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

None

Perfect on [1011]

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

Not Available

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Langbeinite and Smithsonite Chemical Formula

While comparing Langbeinite and Smithsonite 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 Langbeinite and Smithsonite chemical formula.

Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Langbeinite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.