Brazilianite and Hibonite Physical Properties

Brazilianite

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

2.98-2.993.84

1 7.18

1.5 Fracture

Conchoidal, Gems

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

1.6 Cleavage

(010) Distinct to good

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

5.57.5-8

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Brazilianite and Hibonite Chemical Formula

While comparing Brazilianite 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 Brazilianite and Hibonite chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Brazilianite and Hibonite Specific Gravity

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