Danburite and Ajoite Physical Properties

Danburite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.032.96

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{001} Poor

Perfect on {010}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Danburite and Ajoite Chemical Formula

While comparing Danburite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Danburite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Danburite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Danburite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Danburite is 2.96 whereas that of Ajoite is 2.96.