Andradite and Kurnakovite Physical Properties

Andradite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.101.847-1.852

1 7.18

1.5 Fracture

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

Brittle, Conchoidal

1.6 Cleavage

none

Poor to indistinct on {010}

1.7 Mohs Hardness

6.5-72-3

2 10

1.8 Chemical Composition

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

Not Available

Andradite and Kurnakovite Chemical Formula

While comparing Andradite and Kurnakovite 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 Andradite and Kurnakovite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

Andradite Vs Astrophyllite

Andradite Vs Augite

Andradite Vs Aragonite

Andradite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.