Rosasite and Ludlamite Physical Properties

Rosasite

Ludlamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.1-3.2

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

Vitreous, pearly on cleavage

1.7 Mohs Hardness

43-4

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Ludlamite Chemical Formula

While comparing Rosasite 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 Rosasite and Ludlamite chemical formula.

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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Rosasite and Ludlamite Specific Gravity

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