Goshenite and Ludlamite Physical Properties

Goshenite

Ludlamite

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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

2.60-2.903.1-3.2

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

3,1 basal

Vitreous, pearly on cleavage

1.7 Mohs Hardness

7.5-83-4

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Goshenite and Ludlamite Chemical Formula

While comparing Goshenite and Ludlamite 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 Goshenite and Ludlamite chemical formula.

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

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Goshenite and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goshenite and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goshenite and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Goshenite is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.