Vivianite and Agate Physical Properties

Vivianite

Agate

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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

2.64-2.702.60-2.64

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

Indiscernible

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Vivianite and Agate Chemical Formula

While comparing Vivianite and Agate 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 Agate chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Agate- SiO₂

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Vivianite and Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Agate Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.60-2.64 whereas that of Agate is 2.60-2.64.