Gaylussite and Ludlamite Physical Properties

Gaylussite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

decomposes in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.93-1.993.1-3.2

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

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

1.6 Cleavage

perfect [110]

Vitreous, pearly on cleavage

1.7 Mohs Hardness

2.53-4

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

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

Gaylussite and Ludlamite Chemical Formula

While comparing Gaylussite 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 Gaylussite and Ludlamite chemical formula.

Chemical formula of Gaylussite- Na2Ca(CO3)2•5(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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Gaylussite and Ludlamite Specific Gravity

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