Hematite and Phosphosiderite Physical Properties

Hematite

Phosphosiderite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.302.74-2.76

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

None, may show partings on {0001} and {10 1 1}

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

63.5-4

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Phosphosiderite Chemical Formula

While comparing Hematite 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 Hematite and Phosphosiderite chemical formula.

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

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Hematite and Phosphosiderite Specific Gravity

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