Chalcedony and Villiaumite Physical Properties

Chalcedony

Villiaumite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.79

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

Absent

{100} Perfect, {010} Perfect, {001} Perfect

1.7 Mohs Hardness

6.5-72

2 10

1.8 Chemical Composition

SiO₂

NaFUlrich Henn and Claudio C.

Chalcedony and Villiaumite Chemical Formula

While comparing Chalcedony and Villiaumite 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 Chalcedony and Villiaumite chemical formula.

Chemical formula of Chalcedony- SiO₂
Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.

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Chalcedony and Villiaumite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 2.79 whereas that of Villiaumite is 2.79.