Phosphosiderite and Erythrite Physical Properties

Phosphosiderite

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.763.06

1 7.18

1.5 Fracture

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

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

Phosphosiderite and Erythrite Chemical Formula

While comparing Phosphosiderite and Erythrite 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 Erythrite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Phosphosiderite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 3.06 whereas that of Erythrite is 3.06.