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Siderite
Siderite

Pleonaste
Pleonaste



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Siderite
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Pleonaste

Siderite and Pleonaste Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.83-3.893.80
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
-

Cleavage

Perfect on {01 1 1}
Indistinct

Mohs Hardness

3.5-4.58
2 10
👆🏻

Chemical Composition

Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Siderite and Pleonaste Chemical Formula

While comparing Siderite and Pleonaste 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 Pleonaste chemical formula.

  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Siderite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Siderite is 3.80 whereas that of Pleonaste is 3.80.