Piemontite and Phosphosiderite Physical Properties

Piemontite

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

Not Available2.74-2.76

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

6-6.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Phosphosiderite Chemical Formula

While comparing Piemontite 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 Piemontite and Phosphosiderite chemical formula.

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

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Piemontite and Phosphosiderite Specific Gravity

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