Spinel and Bayldonite Physical Properties

Spinel

Bayldonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.665.50

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven

1.6 Cleavage

None, but may exhibit slight parting

None

1.7 Mohs Hardness

84.5

2 10

1.8 Chemical Composition

MgAl₂O₄

(Cu,Zn)3Pb(AsO3OH)2(OH)2

Spinel and Bayldonite Chemical Formula

While comparing Spinel and Bayldonite 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 Spinel and Bayldonite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Bayldonite- (Cu,Zn)3Pb(AsO3OH)2(OH)2

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Spinel and Bayldonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Bayldonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Bayldonite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 5.50 whereas that of Bayldonite is 5.50.