Pearl and Friedelite Physical Properties

Pearl

Friedelite

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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

2.60-2.85

3.06-3.19

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

none

{010} Perfect

1.7 Mohs Hardness

2.5-4.5

4-5

1.8 Chemical Composition

Not Available

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

Pearl and Friedelite Chemical Formula

While comparing Pearl and Friedelite 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 Pearl and Friedelite chemical formula.

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

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Pearl and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.

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