Ludlamite and Gaylussite Physical Properties

Ludlamite

Gaylussite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

decomposes in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.21.93-1.99

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Vitreous, pearly on cleavage

perfect [110]

1.7 Mohs Hardness

3-42.5

2 10

1.8 Chemical Composition

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

Na2Ca(CO3)2•5(H2O)

Ludlamite and Gaylussite Chemical Formula

While comparing Ludlamite and Gaylussite 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 Gaylussite 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 Gaylussite- Na2Ca(CO3)2•5(H2O)

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Ludlamite and Gaylussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.