Druzy and Andradite Physical Properties

Druzy

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

Not Available3.70-4.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

none

1.7 Mohs Hardness

2.5-36.5-7

2 10

1.8 Chemical Composition

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

Druzy and Andradite Chemical Formula

While comparing Druzy 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 Druzy and Andradite chemical formula.

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

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Druzy and Andradite Specific Gravity

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