Periclase and Carnelian Physical Properties

Periclase

Carnelian

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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

3.7-3.92.58-2.64

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Absent

1.7 Mohs Hardness

5.5-66.5-7

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO₂

Periclase and Carnelian Chemical Formula

While comparing Periclase and Carnelian 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 Carnelian chemical formula.

Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Carnelian- SiO₂

Compare Gems Found In Australia

Periclase Vs Sapphire

Periclase Vs Rinkite Ce

Periclase Vs Scheelite

Periclase and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Periclase is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.