Edenite and Rutile Physical Properties

Edenite

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

3.05-3.374.20-4.30

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on (110)

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

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Rutile Chemical Formula

While comparing Edenite 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 Edenite and Rutile chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Edenite and Rutile Specific Gravity

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