Gyrolite and Ludlamite Physical Properties

Gyrolite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.483.1-3.2

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

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

1.6 Cleavage

Perfect on {001}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

23-4

2 10

1.8 Chemical Composition

NaCa16Si23AlO60(OH)8•64(H2O)

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

Gyrolite and Ludlamite Chemical Formula

While comparing Gyrolite 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 Gyrolite and Ludlamite chemical formula.

Chemical formula of Gyrolite- NaCa16Si23AlO60(OH)8•64(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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Gyrolite and Ludlamite Specific Gravity

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