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Grandidierite and Phosphosiderite Physical Properties


Phosphosiderite and Grandidierite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.00   
2.74-2.76   

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

Cleavage
Perfect   
{010} Perfect, {001} Distinct   

Mohs Hardness
7.5   
3.5-4   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)   

Optical Properties >>
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Grandidierite and Phosphosiderite Chemical Formula

While comparing Grandidierite and Phosphosiderite 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 Grandidierite and Phosphosiderite chemical formula.

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Grandidierite and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.

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