Albite and Ludlamite Physical Properties

Albite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.653.1-3.2

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

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

1.6 Cleavage

Perfect on {001}, very good on {010}, imperfect on {110}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

6-6.53-4

2 10

1.8 Chemical Composition

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Albite and Ludlamite Chemical Formula

While comparing Albite 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 Albite and Ludlamite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
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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Albite and Ludlamite Specific Gravity

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