Datolite and Anorthite Physical Properties

Datolite

Anorthite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.002.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

None

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

5-5.56-6.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Datolite and Anorthite Chemical Formula

While comparing Datolite and Anorthite 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 Datolite and Anorthite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Datolite Vs Emerald

Datolite Vs Euclase

Datolite Vs Elaeolite

Datolite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.77 whereas that of Anorthite is 2.77.