Ettringite and Weloganite Physical Properties

Ettringite

Weloganite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partially soluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.773.20-3.22

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle

1.6 Cleavage

Perfect on {10 1 0}

Perfect on pseudo {0001}

1.7 Mohs Hardness

2-2.53

2 10

1.8 Chemical Composition

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

Not Available

Ettringite and Weloganite Chemical Formula

While comparing Ettringite and Weloganite 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 Ettringite and Weloganite chemical formula.

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

Compare Yellow Gemstones

Ettringite Vs Garnet

Ettringite Vs Gadolinium Gallium Garnet

Ettringite Vs Forsterite

Ettringite and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.