Hibonite and Londonite Physical Properties

Hibonite

Londonite

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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

3.843.34

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{0001} good, {10 1 0} parting

None

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

(Ca,Ce)(Al,Ti,Mg)12O19

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

Hibonite and Londonite Chemical Formula

While comparing Hibonite and Londonite 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 Hibonite and Londonite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Hibonite Vs Lazulite

Hibonite Vs Linarite

Hibonite Vs Lazurite

Hibonite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.34 whereas that of Londonite is 3.34.