Sardonyx and Bastnasite Physical Properties

Sardonyx

Bastnasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.704.95-5.0

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

Not Available

Imperfect to indistinct on {10 1 0}, parting on {0001}

1.7 Mohs Hardness

6.5-74-5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sardonyx and Bastnasite Chemical Formula

While comparing Sardonyx and Bastnasite 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 Sardonyx and Bastnasite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sardonyx and Bastnasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.