Wardite and Arfvedsonite Physical Properties

Wardite

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

2.813.3-3.5

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{001} Perfect

Perfect on [110]

1.7 Mohs Hardness

4.5-55-6

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Wardite and Arfvedsonite Chemical Formula

While comparing Wardite 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 Wardite and Arfvedsonite chemical formula.

Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

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Wardite and Arfvedsonite Specific Gravity

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