Montebrasite and Smithsonite Physical Properties

Montebrasite

Smithsonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.98-3.104.00-4.65

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, Sub-Conchoidal

Cleavage

{100} Perfect, {110} Good, {011} Distinct

Perfect on [1011]

Mohs Hardness

5.5-65-5.5

2 10

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Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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

Montebrasite and Smithsonite Chemical Formula

While comparing Montebrasite 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 Montebrasite and Smithsonite chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Montebrasite and Smithsonite Specific Gravity

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