Langbeinite and Datolite Physical Properties

Langbeinite

Datolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.90-3.00

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

Not Available

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

Langbeinite and Datolite Chemical Formula

While comparing Langbeinite 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 Langbeinite 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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Langbeinite and Datolite Specific Gravity

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