Ludlamite and Johachidolite Physical Properties

Ludlamite

Johachidolite

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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

3.1-3.23.45

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Vitreous, pearly on cleavage

None

1.7 Mohs Hardness

3-47.5

2 10

1.8 Chemical Composition

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

CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

Ludlamite and Johachidolite Chemical Formula

While comparing Ludlamite and Johachidolite 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 Johachidolite 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 Johachidolite- CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

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Ludlamite and Johachidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Johachidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Johachidolite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.45 whereas that of Johachidolite is 3.45.