Prasiolite and Sard Physical Properties

Prasiolite

Sard

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65

2.58-2.63

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

3,1

Not Available

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Prasiolite and Sard Chemical Formula

While comparing Prasiolite and Sard 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 Prasiolite and Sard chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

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Prasiolite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prasiolite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Sard Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 2.58-2.63 whereas that of Sard is 2.58-2.63.