Bastnasite and Almandine Physical Properties

Bastnasite

Almandine

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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

4.95-5.03.95-4.30

1 7.18

1.5 Fracture

Uneven

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

none

1.7 Mohs Hardness

4-57-7.5

2 10

1.8 Chemical Composition

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

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Bastnasite and Almandine Chemical Formula

While comparing Bastnasite and Almandine 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 Bastnasite and Almandine chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Bastnasite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.