Vivianite and Pearl Physical Properties

Vivianite

Pearl

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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

2.64-2.702.60-2.85

1 7.18

1.5 Fracture

(e.g. graphite).

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{010} Perfect

none

1.7 Mohs Hardness

Not Available2.5-4.5

2 10

1.8 Chemical Composition

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

Not Available

Vivianite and Pearl Chemical Formula

While comparing Vivianite and Pearl 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 Pearl chemical formula.

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

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Vivianite Vs Zircon

Vivianite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.