Amazonite and Londonite Physical Properties

Amazonite

Londonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.573.34

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

None

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

KAlSi₃O₈

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

Amazonite and Londonite Chemical Formula

While comparing Amazonite and Londonite 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 Amazonite and Londonite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

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Amazonite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 3.34 whereas that of Londonite is 3.34.