Kunzite and Almandine Physical Properties

Kunzite

Almandine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.21

3.95-4.30

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

none

1.7 Mohs Hardness

6-7

7-7.5

1.8 Chemical Composition

LiAlSi₂O₆

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

Kunzite and Almandine Chemical Formula

While comparing Kunzite 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 Kunzite and Almandine chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Kunzite and Almandine Specific Gravity

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