Moissanite and Ettringite Physical Properties

Moissanite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.17-3.241.77

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

(0001) indistinct

Perfect on {10 1 0}

1.7 Mohs Hardness

9-9.52-2.5

2 10

1.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Moissanite and Ettringite Chemical Formula

While comparing Moissanite and Ettringite 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 Ettringite chemical formula.

Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Moissanite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moissanite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moissanite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Moissanite is 1.77 whereas that of Ettringite is 1.77.