Pyrrhotite and Ettringite Physical Properties

Pyrrhotite

Ettringite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

4.58-4.651.77

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

Absent

Perfect on {10 1 0}

1.7 Mohs Hardness

3.5-4.52-2.5

2 10

1.8 Chemical Composition

Not Available

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Pyrrhotite and Ettringite Chemical Formula

While comparing Pyrrhotite and Ettringite 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 Pyrrhotite and Ettringite chemical formula.

Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

Pyrrhotite Vs Tinaksite

Pyrrhotite Vs Titanite

Pyrrhotite Vs Stolzite

Pyrrhotite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrrhotite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrrhotite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Pyrrhotite is 1.77 whereas that of Ettringite is 1.77.