Ludlamite and Hexagonite Physical Properties

Ludlamite

Hexagonite

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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

3.1-3.22.98-3.03

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Vitreous, pearly on cleavage

[110] perfect; [010] distinct

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

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Ludlamite and Hexagonite Chemical Formula

While comparing Ludlamite and Hexagonite 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 Hexagonite 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 Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Ludlamite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.