Williamsite and Chalcedony Physical Properties

Williamsite

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

2.51-2.63

2.55-2.70

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

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

1.6 Cleavage

Not Available

Absent

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

SiO₂

Williamsite and Chalcedony Chemical Formula

While comparing Williamsite 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 Williamsite and Chalcedony chemical formula.

Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chalcedony- SiO₂

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Williamsite and Chalcedony Specific Gravity

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