Iddingsite and Ludlamite Physical Properties

Iddingsite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.5-2.83.1-3.2

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Perfect

Vitreous, pearly on cleavage

1.7 Mohs Hardness

33-4

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

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

Iddingsite and Ludlamite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Ludlamite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
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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Iddingsite and Ludlamite Specific Gravity

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