Chalcedony and Omphacite Physical Properties

Chalcedony

Omphacite

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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

2.55-2.703.16-3.43

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Absent

{110} Good, {110} Good

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO₂

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Chalcedony and Omphacite Chemical Formula

While comparing Chalcedony and Omphacite 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 Omphacite chemical formula.

Chemical formula of Chalcedony- SiO₂
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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Chalcedony and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.