Periclase and Friedelite Physical Properties

Periclase

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

3.7-3.93.06-3.19

1 7.18

1.13 Fracture

Conchoidal, Brittle

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

1.14 Cleavage

{001} perfect; {111} imperfect, may exhibit parting on , {011}

{010} Perfect

1.15 Mohs Hardness

5.5-64-5

2 10

1.16 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Periclase and Friedelite Chemical Formula

While comparing Periclase 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 Periclase and Friedelite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Gems Found In Australia

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Periclase and Friedelite Specific Gravity

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