Demantoid and Periclase Physical Properties

Demantoid

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.953.7-3.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.55.5-6

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Demantoid and Periclase Chemical Formula

While comparing Demantoid and Periclase 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 Demantoid and Periclase chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Demantoid Vs Euclase

Demantoid Vs Faustite

Demantoid Vs Emerald

Demantoid and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Periclase Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 3.7-3.9 whereas that of Periclase is 3.7-3.9.