Phosphosiderite and Sodalite Physical Properties

Phosphosiderite

Sodalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.76

2.15-2.40

1.5 Fracture

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

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

{010} Perfect, {001} Distinct

Poor on {110}

1.7 Mohs Hardness

3.5-4

5-6

1.8 Chemical Composition

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

Na₈Al₆Si₆O₂₄Cl₂

Phosphosiderite and Sodalite Chemical Formula

While comparing Phosphosiderite and Sodalite 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 Sodalite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Phosphosiderite and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.