Cat s Eye and Ettringite Physical Properties

Cat s Eye

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.4 Solubility

Not Available

Partially soluble in water

1.7 Durability

Not Available

1.9 Specific Gravity

3.5-3.81.77

1 7.18

1.16 Fracture

Not Available

1.17 Cleavage

1,1 ; 3,2

Perfect on {10 1 0}

1.18 Mohs Hardness

8.52-2.5

2 10

1.19 Chemical Composition

BeAl ₂ O ₄

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

Cat s Eye and Ettringite Chemical Formula

While comparing Cat s Eye 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 Cat s Eye and Ettringite chemical formula.

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

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Cat s Eye and Ettringite Specific Gravity

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