Ludlamite and Bastnasite Physical Properties

Ludlamite

Bastnasite

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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

3.1-3.24.95-5.0

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Vitreous, pearly on cleavage

Imperfect to indistinct on {10 1 0}, parting on {0001}

1.7 Mohs Hardness

3-44-5

2 10

1.8 Chemical Composition

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

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Bastnasite Chemical Formula

While comparing Ludlamite and Bastnasite 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 Bastnasite 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 Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ludlamite and Bastnasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.