Londonite and Hexagonite Physical Properties

Londonite

Hexagonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.342.98-3.03

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

None

[110] perfect; [010] distinct

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

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

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Londonite and Hexagonite Chemical Formula

While comparing Londonite and Hexagonite 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 Hexagonite 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 Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare White Gemstones

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Londonite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Londonite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.