Ludlamite and Edenite Physical Properties

Ludlamite

Edenite

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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

3.1-3.23.05-3.37

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Vitreous, pearly on cleavage

Good on (110)

1.7 Mohs Hardness

3-45-6

2 10

1.8 Chemical Composition

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

NaCa2Mg5Si7AlO22(OH)2

Ludlamite and Edenite Chemical Formula

While comparing Ludlamite and Edenite 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 Edenite 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 Edenite- NaCa2Mg5Si7AlO22(OH)2

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Ludlamite and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Edenite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.05-3.37 whereas that of Edenite is 3.05-3.37.