Datolite and Emerald Physical Properties

Datolite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.90-3.00

2.67-2.78

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None

Imperfect on the [0001]

1.7 Mohs Hardness

5-5.5

7.5-8

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Datolite and Emerald Chemical Formula

While comparing Datolite and Emerald 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 Emerald chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Emerald- Be₃Al₂SiO₆

Compare Green Gemstones

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Datolite Vs Euclase

Datolite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.