Arfvedsonite and Hurlbutite Physical Properties

Arfvedsonite

Hurlbutite

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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

3.3-3.52.90

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on [110]

None

1.7 Mohs Hardness

5-66

2 10

1.8 Chemical Composition

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

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Arfvedsonite and Hurlbutite Chemical Formula

While comparing Arfvedsonite and Hurlbutite 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 Hurlbutite chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Arfvedsonite and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 2.90 whereas that of Hurlbutite is 2.90.