Stibiotantalite and Periclase Physical Properties

Stibiotantalite

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

Not Available3.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

{???} Perfect

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

1.7 Mohs Hardness

5.5-65.5-6

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Stibiotantalite and Periclase Chemical Formula

While comparing Stibiotantalite 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 Stibiotantalite and Periclase chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Stibiotantalite and Periclase Specific Gravity

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