Hibonite and Montebrasite Physical Properties

Hibonite

Montebrasite

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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

3.842.98-3.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{0001} good, {10 1 0} parting

{100} Perfect, {110} Good, {011} Distinct

1.7 Mohs Hardness

7.5-85.5-6

2 10

1.8 Chemical Composition

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

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Hibonite and Montebrasite Chemical Formula

While comparing Hibonite and Montebrasite 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 Montebrasite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Hibonite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.