Boracite and Dioptase Physical Properties

Boracite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-2.963.25-3.35

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

Perfect in three directions

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

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Boracite and Dioptase Chemical Formula

While comparing Boracite and Dioptase 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 Dioptase chemical formula.

Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Boracite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boracite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Boracite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.