Vivianite and Andradite Garnet Physical Properties

Vivianite

Andradite Garnet

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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

2.64-2.703.8-3.9

1 7.18

1.5 Fracture

(e.g. graphite).

Not Available

1.6 Cleavage

{010} Perfect

None

1.7 Mohs Hardness

Not Available6.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Vivianite and Andradite Garnet Chemical Formula

While comparing Vivianite and Andradite Garnet 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 Andradite Garnet chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Vivianite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.