Bastnasite and Tortoiseshell Physical Properties

Bastnasite

Tortoiseshell

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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

4.95-5.01.25-1.35

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4-5Not Available

2 10

1.8 Chemical Composition

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

Not Available

Bastnasite and Tortoiseshell Chemical Formula

While comparing Bastnasite and Tortoiseshell 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 Bastnasite and Tortoiseshell chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bastnasite and Tortoiseshell Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Tortoiseshell Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Tortoiseshell Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 1.25-1.35 whereas that of Tortoiseshell is 1.25-1.35.