Sussexite and Ludlamite Physical Properties

Sussexite

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

3.303.1-3.2

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Vitreous, pearly on cleavage

1.7 Mohs Hardness

3-3.53-4

2 10

1.8 Chemical Composition

Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

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

Sussexite and Ludlamite Chemical Formula

While comparing Sussexite 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 Sussexite and Ludlamite chemical formula.

Chemical formula of Sussexite- Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)
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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Sussexite and Ludlamite Specific Gravity

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