Poldervaartite and Phosphosiderite Physical Properties

Poldervaartite

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

2.91

2.74-2.76

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

Not Available

3.5-4

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Phosphosiderite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Phosphosiderite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Poldervaartite and Phosphosiderite Specific Gravity

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