Serandite and Allanite Physical Properties

Serandite

Allanite

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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

3.523.40-4.20

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)

Not Available

Serandite and Allanite Chemical Formula

While comparing Serandite and Allanite 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 Allanite 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 Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serandite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serandite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Serandite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.