Hiddenite and Ettringite Physical Properties

Hiddenite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.211.77

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Not Available

1.6 Cleavage

1,2 prismatic

Perfect on {10 1 0}

1.7 Mohs Hardness

6-72-2.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Hiddenite and Ettringite Chemical Formula

While comparing Hiddenite 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 Hiddenite and Ettringite chemical formula.

Chemical formula of Hiddenite- LiAlSi₂O₆
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Hiddenite and Ettringite Specific Gravity

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