Ludlamite and Prasiolite Physical Properties

Ludlamite

Prasiolite

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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

3.1-3.22.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Vitreous, pearly on cleavage

3,1

1.7 Mohs Hardness

3-47

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Ludlamite and Prasiolite Chemical Formula

While comparing Ludlamite and Prasiolite 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 Prasiolite 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 Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Ludlamite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.65 whereas that of Prasiolite is 2.65.