Afghanite and Periclase Physical Properties

Afghanite

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

2.55-2.653.7-3.9

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

Conchoidal, Brittle

1.6 Cleavage

Perfect {10 1 0}

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

1.7 Mohs Hardness

5.5-65.5-6

2 10

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Afghanite and Periclase Chemical Formula

While comparing Afghanite 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 Afghanite and Periclase chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Afghanite Vs Glaucophane

Afghanite Vs Kainite

Afghanite Vs Hauyne

Afghanite and Periclase Specific Gravity

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