Prasiolite and Friedelite Physical Properties

Prasiolite

Friedelite

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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

2.653.06-3.19

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

3,1

{010} Perfect

1.7 Mohs Hardness

74-5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Friedelite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Friedelite chemical formula.

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

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Prasiolite and Friedelite Specific Gravity

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