Ludlamite and Rhodochrosite Physical Properties

Ludlamite

Rhodochrosite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.23.0-3.3

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

Vitreous, pearly on cleavage

On {10 1 1} perfect; parting on {10 1 2}

1.7 Mohs Hardness

3-43.5-4

2 10

1.8 Chemical Composition

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

MnCO₃

Ludlamite and Rhodochrosite Chemical Formula

While comparing Ludlamite and Rhodochrosite 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 Rhodochrosite 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 Rhodochrosite- MnCO₃

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Ludlamite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.