Periclase and Andalusite Physical Properties

Periclase

Andalusite

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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

3.7-3.93.05-3.21

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good on {110}, poor on {100}

1.7 Mohs Hardness

5.5-67.5

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Periclase and Andalusite Chemical Formula

While comparing Periclase and Andalusite 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 Andalusite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Periclase Vs Rinkite Ce

Periclase Vs Sapphire

Periclase Vs Scheelite

Periclase and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.