Purpurite and Phosphosiderite Physical Properties

Purpurite

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

3.2-3.42.74-2.76

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[100] [001] perfect

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

4-4.53.5-4

2 10

1.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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

Purpurite and Phosphosiderite Chemical Formula

While comparing Purpurite 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 Purpurite and Phosphosiderite chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Violet Gemstones

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Purpurite and Phosphosiderite Specific Gravity

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