Nosean and Chalcedony Physical Properties

Nosean

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

2.30-2.40

2.55-2.70

1.5 Fracture

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

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

1.6 Cleavage

{110} Perfect

Absent

1.7 Mohs Hardness

Not Available

6.5-7

1.8 Chemical Composition

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

SiO₂

Nosean and Chalcedony Chemical Formula

While comparing Nosean 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 Nosean and Chalcedony chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Chalcedony- SiO₂

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Nosean and Chalcedony Specific Gravity

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