Pyrrhotite and Datolite Physical Properties

Pyrrhotite

Datolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.58-4.652.90-3.00

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Absent

None

1.7 Mohs Hardness

3.5-4.55-5.5

2 10

1.8 Chemical Composition

Not Available

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrrhotite and Datolite Chemical Formula

While comparing Pyrrhotite and Datolite 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 Pyrrhotite and Datolite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pyrrhotite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrrhotite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrrhotite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Pyrrhotite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.