Periclase and Hurlbutite Physical Properties

Periclase

Hurlbutite

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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

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

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

None

1.7 Mohs Hardness

5.5-66

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Periclase and Hurlbutite Chemical Formula

While comparing Periclase and Hurlbutite 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 Hurlbutite chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Periclase and Hurlbutite Specific Gravity

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