Pumpellyite and Hibonite Physical Properties

Pumpellyite

Hibonite

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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

3.20-3.303.84

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

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

Pumpellyite and Hibonite Chemical Formula

While comparing Pumpellyite and Hibonite 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 Pumpellyite and Hibonite chemical formula.

Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare Green Gemstones

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Pumpellyite Vs Rubellite

Pumpellyite Vs Sapphire

Pumpellyite and Hibonite Specific Gravity

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