Montebrasite and Dolomite Physical Properties

Montebrasite

Dolomite

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Physical Properties

Tenacity

Brittle

Solubility

Poorly soluble in dilute HCl

Durability

Specific Gravity

2.98-3.102.80-2.95

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

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

Perfect on {10 1 1}, rhombohedral cleavage

Mohs Hardness

5.5-63.5-4

2 10

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Chemical Composition

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

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Montebrasite and Dolomite Chemical Formula

While comparing Montebrasite and Dolomite 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 Dolomite 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 Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Montebrasite and Dolomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.