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Datolite
Datolite

Arfvedsonite
Arfvedsonite



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Datolite
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Arfvedsonite

Datolite and Arfvedsonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.003.3-3.5
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
None
Perfect on [110]
1.7 Mohs Hardness
5-5.55-6
Amber
2 10
1.8 Chemical Composition
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaNa2(Fe++4Fe+++)Si8O22(OH)2

Datolite and Arfvedsonite Chemical Formula

While comparing Datolite 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 Datolite and Arfvedsonite chemical formula.

  • Chemical formula of Datolite- CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

Datolite and Arfvedsonite Specific Gravity

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