Carnelian and Arfvedsonite Physical Properties

Carnelian

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

2.58-2.64

3.3-3.5

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Absent

Perfect on [110]

1.7 Mohs Hardness

6.5-7

5-6

1.8 Chemical Composition

SiO₂

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

Carnelian and Arfvedsonite Chemical Formula

While comparing Carnelian 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 Carnelian and Arfvedsonite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

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Carnelian and Arfvedsonite Specific Gravity

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