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Siderite
Siderite

Piemontite
Piemontite



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Siderite
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Piemontite

Siderite and Piemontite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.83-3.89-9999
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven, Splintery

Cleavage

Perfect on {01 1 1}
[001] good, [100] distinct

Mohs Hardness

3.5-4.56-6.5
2 10
👆🏻

Chemical Composition

Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)(Si2O7)O(OH)

Siderite and Piemontite Chemical Formula

While comparing Siderite and Piemontite 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 Piemontite chemical formula.

  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)

Siderite and Piemontite Specific Gravity

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