Siderite and Star Sapphire Physical Properties

Siderite

Star Sapphire

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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

3.83-3.893.90-4.05

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Not Available

1.6 Cleavage

Perfect on {01 1 1}

Not Available

1.7 Mohs Hardness

3.5-4.5Not Available

2 10

1.8 Chemical Composition

Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Al 2O 3Ulrich Henn and Claudio C.

Siderite and Star Sapphire Chemical Formula

While comparing Siderite and Star Sapphire 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 Siderite and Star Sapphire chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Siderite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Siderite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.