Johachidolite and Ludlamite Physical Properties

Johachidolite

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

3.453.1-3.2

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

Vitreous, pearly on cleavage

1.7 Mohs Hardness

7.53-4

2 10

1.8 Chemical Composition

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

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

Johachidolite and Ludlamite Chemical Formula

While comparing Johachidolite 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 Johachidolite and Ludlamite chemical formula.

Chemical formula of Johachidolite- CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)
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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Johachidolite and Ludlamite Specific Gravity

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