Stichtite and Periclase Physical Properties

Stichtite

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

2.11-2.203.7-3.9

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

Conchoidal, Brittle

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Stichtite and Periclase Chemical Formula

While comparing Stichtite 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 Stichtite and Periclase chemical formula.

Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Stichtite and Periclase Specific Gravity

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