Hibonite and Hollandite Physical Properties

Hibonite

Hollandite

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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

3.845.05

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

{0001} good, {10 1 0} parting

Distinct / Good, Prismatic

1.7 Mohs Hardness

7.5-84-6

2 10

1.8 Chemical Composition

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

Ba(Mn++++,Mn++)8O16

Hibonite and Hollandite Chemical Formula

While comparing Hibonite and Hollandite 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 Hollandite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Hibonite and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 5.05 whereas that of Hollandite is 5.05.