Arfvedsonite and Dioptase Physical Properties

Arfvedsonite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.3-3.53.25-3.35

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

Perfect on [110]

Perfect in three directions

1.7 Mohs Hardness

5-65

2 10

1.8 Chemical Composition

NaNa2(Fe++4Fe+++)Si8O22(OH)2

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

Arfvedsonite and Dioptase Chemical Formula

While comparing Arfvedsonite 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 Arfvedsonite and Dioptase chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Arfvedsonite and Dioptase Specific Gravity

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