Vivianite and Hibonite Physical Properties

Vivianite

Hibonite

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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

2.64-2.703.84

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

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

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

Vivianite and Hibonite Chemical Formula

While comparing Vivianite 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 Vivianite and Hibonite chemical formula.

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

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Vivianite and Hibonite Specific Gravity

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