Boracite and Ajoite Physical Properties

Boracite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-2.962.96

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

None

Perfect on {010}

1.7 Mohs Hardness

7-7.55

2 10

1.8 Chemical Composition

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Boracite and Ajoite Chemical Formula

While comparing Boracite 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 Boracite and Ajoite chemical formula.

Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Boracite and Ajoite Specific Gravity

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