Colemanite and Ludlamite Physical Properties

Colemanite

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

2.40-2.423.1-3.2

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

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

1.6 Cleavage

{010} Perfect, {001} Distinct

Vitreous, pearly on cleavage

1.7 Mohs Hardness

4.53-4

2 10

1.8 Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael 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

Colemanite and Ludlamite Chemical Formula

While comparing Colemanite 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 Colemanite and Ludlamite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael 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

Compare Colorless Gems

Colemanite Vs Diaspore

Colemanite Vs Datolite

Colemanite Vs Cubic Zirconia

Colemanite and Ludlamite Specific Gravity

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