Serandite and Chalcedony Physical Properties

Serandite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.522.55-2.70

1 7.18

1.5 Fracture

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

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

{100} Perfect, {001} Perfect

Absent

1.7 Mohs Hardness

5-5.56.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Serandite and Chalcedony Chemical Formula

While comparing Serandite and Chalcedony 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 Chalcedony chemical formula.

Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chalcedony- SiO₂

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Serandite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serandite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serandite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Serandite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.