Bastnasite and Watermelon Tourmaline Physical Properties

Bastnasite

Watermelon Tourmaline

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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

4.95-5.02.90-3.40

1 7.18

1.5 Fracture

Uneven

Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4-57-7.5

2 10

1.8 Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Bastnasite and Watermelon Tourmaline Chemical Formula

While comparing Bastnasite and Watermelon Tourmaline 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 Watermelon Tourmaline chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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Bastnasite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.