Lizardite and Andradite Physical Properties

Lizardite

Andradite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.553.70-4.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{001} Perfect

none

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Lizardite and Andradite Chemical Formula

While comparing Lizardite and Andradite 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 Lizardite and Andradite chemical formula.

Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Lizardite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lizardite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lizardite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Lizardite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.