Pyrargyrite and Ludlamite Physical Properties

Pyrargyrite

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

5.853.1-3.2

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

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

1.6 Cleavage

Distinct on {10 1 1}, imperfect on {01 1 2}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

2.5-33-4

2 10

1.8 Chemical Composition

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Pyrargyrite and Ludlamite Chemical Formula

While comparing Pyrargyrite 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 Pyrargyrite and Ludlamite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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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Pyrargyrite and Ludlamite Specific Gravity

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