Londonite and Ekanite Physical Properties

Londonite

Ekanite

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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

3.343.28-3.32

1 7.18

1.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

None

{101} Distinct

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)

ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

Londonite and Ekanite Chemical Formula

While comparing Londonite and Ekanite 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 Ekanite 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 Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

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Londonite and Ekanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Ekanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Ekanite Optical Properties during the identification of gemstone. Specific gravity of Londonite is 3.28-3.32 whereas that of Ekanite is 3.28-3.32.