Goshenite and Londonite Physical Properties

Goshenite

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

2.60-2.90

3.34

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

3,1 basal

None

1.7 Mohs Hardness

7.5-8

Not Available

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Goshenite and Londonite Chemical Formula

While comparing Goshenite 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 Goshenite and Londonite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

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Goshenite and Londonite Specific Gravity

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