Friedelite and Sard Physical Properties

Friedelite

Sard

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.192.58-2.63

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

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

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

4-56.5-7

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

SiO 2Ulrich Henn and Claudio C.

Friedelite and Sard Chemical Formula

While comparing Friedelite 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 Friedelite and Sard chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Compare Red Gemstones

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Friedelite Vs Hydrogrossular

Friedelite and Sard Specific Gravity

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