Hibonite and Vivianite Physical Properties

Hibonite

Vivianite

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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

3.842.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

{0001} good, {10 1 0} parting

{010} Perfect

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Hibonite and Vivianite Chemical Formula

While comparing Hibonite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Hibonite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.