Serandite and Star Sapphire Physical Properties

Serandite

Star Sapphire

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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

3.523.90-4.05

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{100} Perfect, {001} Perfect

Not Available

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Serandite and Star Sapphire Chemical Formula

While comparing Serandite and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Gems Found in America

Serandite Vs Spessartine

Serandite Vs Sodalite

Serandite Vs Smithsonite

Serandite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serandite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serandite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Serandite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.