Vivianite and Amazonite Physical Properties

Vivianite

Amazonite

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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

2.64-2.702.55-2.57

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{010} Perfect

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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.

KAlSi₃O₈

Vivianite and Amazonite Chemical Formula

While comparing Vivianite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Amazonite- KAlSi₃O₈

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Vivianite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.