Datolite and Apophyllite Physical Properties

Datolite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.002.30-2.50

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Perfect on (001)

1.7 Mohs Hardness

5-5.54.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Datolite and Apophyllite Chemical Formula

While comparing Datolite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

Datolite Vs Emerald

Datolite Vs Euclase

Datolite Vs Elaeolite

Datolite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.