Londonite and Microcline Physical Properties

Londonite

Microcline

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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

3.34

2.55-2.63

1.5 Fracture

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

Uneven, Uneven, Gems

1.6 Cleavage

None

{001} Perfect, {010} Good

1.7 Mohs Hardness

Not Available

6-6.5

1.8 Chemical Composition

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

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Londonite and Microcline Chemical Formula

While comparing Londonite and Microcline 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 Microcline 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 Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Compare White Gemstones

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Londonite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Londonite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.