Allanite and Dolomite Physical Properties

Allanite

Dolomite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Poorly soluble in dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.202.80-2.95

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

Perfect on {10 1 1}, rhombohedral cleavage

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Dolomite Chemical Formula

While comparing Allanite 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 Allanite and Dolomite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Allanite and Dolomite Specific Gravity

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