Dolomite and Fluorapatite Physical Properties

Dolomite

Fluorapatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Poorly soluble in dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.953.1-3.25

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

Indistinct

1.7 Mohs Hardness

3.5-45

2 10

1.8 Chemical Composition

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

Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Dolomite and Fluorapatite Chemical Formula

While comparing Dolomite and Fluorapatite 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 Fluorapatite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

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Dolomite Vs Fluorapatite

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Dolomite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.