Andradite and Narsarsukite Physical Properties

Andradite

Narsarsukite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.102.72-2.83

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

none

Good on {100} and {110}

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

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

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Andradite and Narsarsukite Chemical Formula

While comparing Andradite and Narsarsukite 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 Narsarsukite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Compare Green Gemstones

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Andradite Vs Astrophyllite

Andradite Vs Augite

Andradite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.