Dioptase and Apophyllite Physical Properties

Dioptase

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.352.30-2.50

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect in three directions

Perfect on (001)

1.7 Mohs Hardness

54.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Dioptase and Apophyllite Chemical Formula

While comparing Dioptase and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

Dioptase Vs Euclase

Dioptase Vs Faustite

Dioptase Vs Feldspar

Dioptase and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.