Barite and Ludlamite Physical Properties

Barite

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

4.483.1-3.2

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

Vitreous, pearly on cleavage

1.7 Mohs Hardness

3-3.53-4

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Ludlamite Chemical Formula

While comparing Barite 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 Barite and Ludlamite chemical formula.

Chemical formula of Barite- BaSO4
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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Barite and Ludlamite Specific Gravity

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