Andradite and Rutile Physical Properties

Andradite

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.104.20-4.30

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

none

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Andradite and Rutile Chemical Formula

While comparing Andradite and Rutile 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 Rutile chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Andradite Vs Aragonite

Andradite Vs Augite

Andradite Vs Astrophyllite

Andradite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Andradite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.