Moissanite and Vivianite Physical Properties

Moissanite

Vivianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.17-3.242.64-2.70

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

(e.g. graphite).

1.6 Cleavage

(0001) indistinct

{010} Perfect

1.7 Mohs Hardness

9-9.5Not Available

2 10

1.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

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

Moissanite and Vivianite Chemical Formula

While comparing Moissanite 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 Moissanite and Vivianite chemical formula.

Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

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Moissanite and Vivianite Specific Gravity

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