Dallasite and Vivianite Physical Properties

Dallasite

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

2.58-2.912.64-2.70

1 7.18

1.5 Fracture

Not Available

(e.g. graphite).

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

Not Available

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

Dallasite and Vivianite Chemical Formula

While comparing Dallasite 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 Dallasite and Vivianite chemical formula.

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

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Dallasite and Vivianite Specific Gravity

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