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Phosphosiderite and Ludlamite Physical Properties


Ludlamite and Phosphosiderite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.74-2.76   
3.1-3.2   

Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
{010} Perfect, {001} Distinct   
Vitreous, pearly on cleavage   

Mohs Hardness
3.5-4   
3-4   

Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)   
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Phosphosiderite and Ludlamite Chemical Formula

While comparing Phosphosiderite 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 Phosphosiderite and Ludlamite chemical formula.

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Phosphosiderite and Ludlamite Specific Gravity

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

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