Dioptase and Bustamite Physical Properties

Dioptase

Bustamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.353.32-3.43

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect in three directions

{100} perfect; {110} and {1 1 0} good; {010} poor

1.7 Mohs Hardness

55.5-6

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Dioptase and Bustamite Chemical Formula

While comparing Dioptase and Bustamite 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 Dioptase and Bustamite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Dioptase Vs Feldspar

Dioptase Vs Faustite

Dioptase Vs Euclase

Dioptase and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.