Topazolite and Phosphosiderite Physical Properties

Topazolite

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

3.70-4.102.74-2.76

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

6.5-73.5-4

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Topazolite and Phosphosiderite Chemical Formula

While comparing Topazolite 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 Topazolite and Phosphosiderite chemical formula.

Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Topazolite and Phosphosiderite Specific Gravity

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