Periclase and Elbaite Physical Properties

Periclase

Elbaite

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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

3.7-3.92.90-3.10

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

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

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

5.5-67

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Periclase and Elbaite Chemical Formula

While comparing Periclase and Elbaite 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 Elbaite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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Periclase and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.