Gaspeite and Ettringite Physical Properties

Gaspeite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.711.77

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

{10 1 1} Good

Perfect on {10 1 0}

1.7 Mohs Hardness

4.5-52-2.5

2 10

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

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

Gaspeite and Ettringite Chemical Formula

While comparing Gaspeite 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 Gaspeite and Ettringite chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Gaspeite and Ettringite Specific Gravity

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