Dolomite and Montebrasite Physical Properties

Dolomite

Montebrasite

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Physical Properties

Tenacity

Brittle

Solubility

Poorly soluble in dilute HCl

Durability

Specific Gravity

2.80-2.952.98-3.10

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

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

Mohs Hardness

3.5-45.5-6

2 10

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Chemical Composition

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

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

Dolomite and Montebrasite Chemical Formula

While comparing Dolomite and Montebrasite 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 Dolomite and Montebrasite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Dolomite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.