Datolite and Diaspore Physical Properties

Datolite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.003.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

None

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

5-5.56.5-7

2 10

1.8 Chemical Composition

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Datolite and Diaspore Chemical Formula

While comparing Datolite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Datolite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Datolite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.