Phosphosiderite and Cordierite Iolite Physical Properties

Phosphosiderite

Cordierite 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

2.74-2.762.56-2.66

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{010} Perfect, {001} Distinct

Not Available

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)

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Phosphosiderite and Cordierite Iolite Chemical Formula

While comparing Phosphosiderite and Cordierite 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 Cordierite Iolite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Phosphosiderite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.