Ludlamite and Emerald Physical Properties

Ludlamite

Emerald

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.1-3.22.67-2.78

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Vitreous, pearly on cleavage

Imperfect on the [0001]

1.7 Mohs Hardness

3-47.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Ludlamite and Emerald Chemical Formula

While comparing Ludlamite and Emerald 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 Emerald chemical formula.

Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Emerald- Be₃Al₂SiO₆

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Ludlamite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.