Phosphosiderite and Chromite Physical Properties

Phosphosiderite

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.764.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{010} Perfect, {001} Distinct

None, parting may develop along {111}

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

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

Fe++Cr2O4

Phosphosiderite and Chromite Chemical Formula

While comparing Phosphosiderite and Chromite 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 Chromite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Chromite- Fe++Cr2O4

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Phosphosiderite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.