Imperial Topaz and Phosphosiderite Physical Properties

Imperial Topaz

Phosphosiderite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.49-3.572.74-2.76

1 7.18

1.5 Fracture

Uneven

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven

1.6 Cleavage

Not Available

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

83.5-4

2 10

1.8 Chemical Composition

Not Available

Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Imperial Topaz and Phosphosiderite Chemical Formula

While comparing Imperial Topaz 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 Imperial Topaz and Phosphosiderite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Imperial Topaz and Phosphosiderite Specific Gravity

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