Phosphosiderite and Iolite Physical Properties

Phosphosiderite

Iolite

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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

2.74-2.762.6-2.7

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{010} Perfect, {001} Distinct

3,1

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Phosphosiderite and Iolite Chemical Formula

While comparing Phosphosiderite and Iolite 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 Iolite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Phosphosiderite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.