Periclase and Datolite Physical Properties

Periclase

Datolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.92.90-3.00

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

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

None

1.7 Mohs Hardness

5.5-65-5.5

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Periclase and Datolite Chemical Formula

While comparing Periclase and Datolite 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 Datolite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Periclase Vs Sapphire

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Periclase and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Datolite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 2.90-3.00 whereas that of Datolite is 2.90-3.00.