Ludlamite and Fuchsite Physical Properties

Ludlamite

Fuchsite

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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

3.1-3.22.77-2.88

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Vitreous, pearly on cleavage

Perfect basal

1.7 Mohs Hardness

3-42.5

2 10

1.8 Chemical Composition

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

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Ludlamite and Fuchsite Chemical Formula

While comparing Ludlamite and Fuchsite 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 Fuchsite 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 Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Ludlamite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.