Hibonite and Chrome-Chalcedony Physical Properties

Hibonite

Chrome-Chalcedony

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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

3.842.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{0001} good, {10 1 0} parting

Not Available

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Hibonite and Chrome-Chalcedony Chemical Formula

While comparing Hibonite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Hibonite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.