Cat s Eye and Herderite Physical Properties

Cat s Eye

Herderite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.5-3.82.90-3.02

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

1,1 ; 3,2

Indistinct on {110}

1.7 Mohs Hardness

8.55-5.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Cat s Eye and Herderite Chemical Formula

While comparing Cat s Eye and Herderite 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 Herderite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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Cat s Eye and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cat s Eye and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cat s Eye and Herderite Optical Properties during the identification of gemstone. Specific gravity of Cat s Eye is 2.90-3.02 whereas that of Herderite is 2.90-3.02.