Jacobsite and Ettringite Physical Properties

Jacobsite

Ettringite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

4.76-5.03

Conchoidal

None

5.5-6.5

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Partially soluble in water

1.77

Perfect on {10 1 0}

2-2.5

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

Jacobsite and Ettringite Chemical Formula

While comparing Jacobsite 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 Jacobsite and Ettringite chemical formula.

Compare Brown Gemstones

Jacobsite Vs Povondraite

Jacobsite Vs Sonolite

Jacobsite Vs Staurolite

Jacobsite and Ettringite Specific Gravity

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