Nephrite and Bastnasite Physical Properties

Nephrite

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

2.90-3.104.95-5.0

1 7.18

1.5 Fracture

Splintery, Granular, Splintery, Granular, Gemstones (2009)

Uneven

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6-6.54-5

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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

Nephrite and Bastnasite Chemical Formula

While comparing Nephrite 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 Nephrite and Bastnasite chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Nephrite and Bastnasite Specific Gravity

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