Ludlamite and Watermelon Tourmaline Physical Properties

Ludlamite

Watermelon Tourmaline

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.1-3.2

Vitreous, pearly on cleavage

3-4

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

2.90-3.40

Uneven, Conchoidal, Irregular

Indiscernible

7-7.5

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.

Ludlamite and Watermelon Tourmaline Chemical Formula

While comparing Ludlamite 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 Ludlamite and Watermelon Tourmaline chemical formula.

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Ludlamite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite Vs Watermelon Tourmaline during the identification of gemstone. Specific gravity of Ludlamite is whereas that of Watermelon Tourmaline is .