Moldavite and Arfvedsonite Physical Properties

Moldavite

Arfvedsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.32-2.383.3-3.5

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [110]

1.7 Mohs Hardness

5.55-6

2 10

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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

Moldavite and Arfvedsonite Chemical Formula

While comparing Moldavite and Arfvedsonite 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 Moldavite and Arfvedsonite chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

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Moldavite and Arfvedsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moldavite and Arfvedsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Arfvedsonite Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 3.3-3.5 whereas that of Arfvedsonite is 3.3-3.5.