Spinel and Moss Agate Physical Properties

Spinel

Moss Agate

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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

3.64-3.662.58-2.64

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

Not Available

1.7 Mohs Hardness

86.5-7

2 10

1.8 Chemical Composition

MgAl₂O₄

SiO 2Walter Schumann , Gemstones of the world (2001)

Spinel and Moss Agate Chemical Formula

While comparing Spinel and Moss Agate 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 Moss Agate chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Moss Agate- SiO 2Walter Schumann , Gemstones of the world (2001)

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Spinel and Moss Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Moss Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Moss Agate Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.58-2.64 whereas that of Moss Agate is 2.58-2.64.