Ludlamite and Sapphire Physical Properties

Ludlamite

Sapphire

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.23.95-4.03

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Vitreous, pearly on cleavage

None, but may exhibit parting

1.7 Mohs Hardness

3-49

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Ludlamite and Sapphire Chemical Formula

While comparing Ludlamite and Sapphire 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 Sapphire 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 Sapphire- Al ₂ O ₃

Compare Green Gemstones

Ludlamite Vs Musgravite

Ludlamite Vs Moonstone

Ludlamite Vs Moss Agate

Ludlamite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.