Arfvedsonite and Almandine Physical Properties

Arfvedsonite

Almandine

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.3-3.5

3.95-4.30

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Perfect on [110]

none

1.7 Mohs Hardness

5-6

7-7.5

1.8 Chemical Composition

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

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Arfvedsonite and Almandine Chemical Formula

While comparing Arfvedsonite and Almandine 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 Almandine chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

Arfvedsonite Vs Clintonite

Arfvedsonite Vs Chlorite group

Arfvedsonite Vs Cavansite

Arfvedsonite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.