Serandite and Kyanite Physical Properties

Serandite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.523.53-3.65

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001)

Splintery, Brittle, Metallic

1.6 Cleavage

{100} Perfect, {001} Perfect

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

5-5.54-7

2 10

1.8 Chemical Composition

Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Serandite and Kyanite Chemical Formula

While comparing Serandite and Kyanite 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 Serandite and Kyanite chemical formula.

Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

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Serandite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serandite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serandite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Serandite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.