Glaucophane and Periclase Physical Properties

Glaucophane

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

3-3.153.7-3.9

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal, Brittle

1.6 Cleavage

Good on [110] and on [001]

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

1.7 Mohs Hardness

6.0-6.55.5-6

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Glaucophane and Periclase Chemical Formula

While comparing Glaucophane 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 Glaucophane and Periclase chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Glaucophane Vs Scorodite

Glaucophane Vs Riebeckite

Glaucophane Vs Rosasite

Glaucophane and Periclase Specific Gravity

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