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Marcasite
Marcasite

Glaucophane
Glaucophane



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Marcasite
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Glaucophane

Marcasite and Glaucophane Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

4.80-4.903-3.15
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

{010} Indistinct
Good on [110] and on [001]

Mohs Hardness

6-6.56.0-6.5
2 10
👆🏻

Chemical Composition

FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
[ ]Na2(Mg3Al2)Si8O22(OH)2

Marcasite and Glaucophane Chemical Formula

While comparing Marcasite and Glaucophane 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 Marcasite and Glaucophane chemical formula.

  • Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Marcasite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 3-3.15 whereas that of Glaucophane is 3-3.15.