Ludlamite and Lawsonite Physical Properties

Ludlamite

Lawsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.23.09

1 7.18

1.5 Fracture

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

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

Vitreous, pearly on cleavage

Perfect on {100} and {010}, imperfect on {101}

1.7 Mohs Hardness

3-48

2 10

1.8 Chemical Composition

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

Not Available

Ludlamite and Lawsonite Chemical Formula

While comparing Ludlamite and Lawsonite 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 Lawsonite 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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Ludlamite and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.09 whereas that of Lawsonite is 3.09.