×

Marcasite
Marcasite

Tourmaline
Tourmaline



ADD
Compare
X
Marcasite
X
Tourmaline

Marcasite and Tourmaline Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.80-4.902.85-3.35
Amber
1 7.18
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{010} Indistinct
Indistinct
1.7 Mohs Hardness
6-6.57-7.5
Amber
2 10
1.8 Chemical Composition
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Marcasite and Tourmaline Chemical Formula

While comparing Marcasite and Tourmaline 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 Tourmaline chemical formula.

  • Chemical formula of Marcasite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Marcasite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.