Moissanite and Astrophyllite Physical Properties

Moissanite

Astrophyllite

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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

3.17-3.243.2-3.4

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

(0001) indistinct

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

9-9.53

2 10

1.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Moissanite and Astrophyllite Chemical Formula

While comparing Moissanite and Astrophyllite 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 Astrophyllite chemical formula.

Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Moissanite Vs Nephrite

Moissanite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moissanite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moissanite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Moissanite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.