Londonite and Diamond Physical Properties

Londonite

Diamond

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.343.50-3.53

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

None

111 (perfect in four directions)

1.7 Mohs Hardness

Not Available10

2 10

1.8 Chemical Composition

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

Londonite and Diamond Chemical Formula

While comparing Londonite and Diamond 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 Diamond 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 Diamond- C

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Londonite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Londonite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.