Carnelian and Periclase Physical Properties

Carnelian

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

3.7-3.9

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Absent

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

1.7 Mohs Hardness

6.5-7

5.5-6

1.8 Chemical Composition

SiO₂

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Carnelian and Periclase Chemical Formula

While comparing Carnelian and Periclase 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 Carnelian and Periclase chemical formula.

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

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Carnelian Vs Kunzite

Carnelian Vs Prasiolite

Carnelian Vs Quartz

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Carnelian and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Periclase Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 3.7-3.9 whereas that of Periclase is 3.7-3.9.