Arfvedsonite and Triplite Physical Properties

Arfvedsonite

Triplite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.3-3.53.85-3.94

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Perfect on [110]

{010} Good, {100} Distinct

1.7 Mohs Hardness

5-65-5.5

2 10

1.8 Chemical Composition

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

(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Arfvedsonite and Triplite Chemical Formula

While comparing Arfvedsonite and Triplite 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 Triplite chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

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Arfvedsonite and Triplite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Triplite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Triplite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 3.85-3.94 whereas that of Triplite is 3.85-3.94.