Londonite and Rutile Physical Properties

Londonite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.344.20-4.30

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

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

Londonite and Rutile Chemical Formula

While comparing Londonite 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 Londonite and Rutile chemical formula.

Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Londonite and Rutile Specific Gravity

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