Phenakite and Siderite Physical Properties

Phenakite

Siderite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.983.83-3.89

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.6 Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}

Perfect on {01 1 1}

1.7 Mohs Hardness

7.5-83.5-4.5

2 10

1.8 Chemical Composition

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Phenakite and Siderite Chemical Formula

While comparing Phenakite and Siderite 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 Phenakite and Siderite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

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Phenakite and Siderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Siderite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 3.83-3.89 whereas that of Siderite is 3.83-3.89.