Londonite and Jadeite Physical Properties

Londonite

Jadeite

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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

3.343.28-3.38

1 7.18

1.5 Fracture

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

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

None

Good on [110]

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

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

NaAlSi 2O 6Ulrich Henn and Claudio C.

Londonite and Jadeite Chemical Formula

While comparing Londonite and Jadeite 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 Jadeite 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 Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Londonite and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Londonite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.