Londonite and Rhodolite Physical Properties

Londonite

Rhodolite

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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

3.343.84

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

None

none, may show indistinct parting

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

Londonite and Rhodolite Chemical Formula

While comparing Londonite and Rhodolite 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 Rhodolite 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 Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Londonite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Londonite is 3.84 whereas that of Rhodolite is 3.84.