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Arfvedsonite
Arfvedsonite

Astrophyllite
Astrophyllite



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Arfvedsonite
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Astrophyllite

Arfvedsonite and Astrophyllite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.3-3.5
3.2-3.4
1.5 Fracture
Uneven, Brittle, Metallic, Brittle, Metallic
Uneven, Brittle, Metallic
1.6 Cleavage
Perfect on [110]
Perfect on [001] imperfect on [100]
1.7 Mohs Hardness
5-6
3
1.8 Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Arfvedsonite and Astrophyllite Chemical Formula

While comparing Arfvedsonite and Astrophyllite 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 Astrophyllite chemical formula.

  • Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
  • Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Arfvedsonite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.

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