Vivianite and Chondrodite Physical Properties

Vivianite

Chondrodite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.703.10-3.20

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{010} Perfect

Poor to good on (001)

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

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

(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

Vivianite and Chondrodite Chemical Formula

While comparing Vivianite and Chondrodite 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 Chondrodite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

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Vivianite and Chondrodite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Chondrodite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Chondrodite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.10-3.20 whereas that of Chondrodite is 3.10-3.20.