Danburite and Diaspore Physical Properties

Danburite

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

2.97-3.033.30-3.40

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{001} Poor

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

1.7 Mohs Hardness

76.5-7

2 10

1.8 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Danburite and Diaspore Chemical Formula

While comparing Danburite 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 Danburite and Diaspore chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael 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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Danburite and Diaspore Specific Gravity

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