Malachite and Ludlamite Physical Properties

Malachite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.103.1-3.2

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

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

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

3.5-43-4

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

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

Malachite and Ludlamite Chemical Formula

While comparing Malachite 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 Malachite and Ludlamite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
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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Malachite and Ludlamite Specific Gravity

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