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Amethyst
Amethyst

Phosphosiderite
Phosphosiderite



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Amethyst
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Phosphosiderite

Amethyst and Phosphosiderite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
-
-
-
2.74-2.76
Uneven
{010} Perfect, {001} Distinct
3.5-4
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Amethyst and Phosphosiderite Chemical Formula

While comparing Amethyst 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 Amethyst and Phosphosiderite chemical formula.

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Amethyst and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst Vs Phosphosiderite during the identification of gemstone. Specific gravity of Amethyst is whereas that of Phosphosiderite is .