Siderite and Ajoite Physical Properties

Siderite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.83-3.892.96

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Not Available

1.6 Cleavage

Perfect on {01 1 1}

Perfect on {010}

1.7 Mohs Hardness

3.5-4.55

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Siderite and Ajoite Chemical Formula

While comparing Siderite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Siderite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 2.96 whereas that of Ajoite is 2.96.