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Taaffeite
Taaffeite

Arfvedsonite
Arfvedsonite



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Taaffeite
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Arfvedsonite

Taaffeite and Arfvedsonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.60-3.613.3-3.5
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Imperfect/fair/absent
Perfect on [110]

Mohs Hardness

8-8.55-6
2 10
👆🏻

Chemical Composition

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
NaNa2(Fe++4Fe+++)Si8O22(OH)2

Taaffeite and Arfvedsonite Chemical Formula

While comparing Taaffeite 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 Taaffeite and Arfvedsonite chemical formula.

  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

Taaffeite and Arfvedsonite Specific Gravity

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