Ludlamite and Chalcopyrite Physical Properties

Ludlamite

Chalcopyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.24.1-4.3

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

Vitreous, pearly on cleavage

Indistinct on {011}

1.7 Mohs Hardness

3-43.5-4

2 10

1.8 Chemical Composition

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

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Ludlamite and Chalcopyrite Chemical Formula

While comparing Ludlamite and Chalcopyrite 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 Chalcopyrite 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 Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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Ludlamite and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.