Erythrite and Hibonite Physical Properties

Erythrite

Hibonite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06

3.84

1.5 Fracture

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

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

1.6 Cleavage

Perfect on {010}; poor on {100} and { 1 02}.

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

Not Available

7.5-8

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

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

Erythrite and Hibonite Chemical Formula

While comparing Erythrite 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 Erythrite and Hibonite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare Red Gemstones

Erythrite Vs Richterite

Erythrite Vs Polyhalite

Erythrite Vs Stolzite

Erythrite and Hibonite Specific Gravity

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

Red Gemstones

Kainite

Langbeinite

Nickeline

Phlogopite

Polyhalite

Richterite