Langbeinite and Ludlamite Physical Properties

Langbeinite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.1-3.2

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

Vitreous, pearly on cleavage

1.7 Mohs Hardness

3.5-43-4

2 10

1.8 Chemical Composition

Not Available

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

Langbeinite and Ludlamite Chemical Formula

While comparing Langbeinite 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 Langbeinite and Ludlamite chemical formula.

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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Langbeinite and Ludlamite Specific Gravity

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