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Milk Opal
Milk Opal

Amethyst
Amethyst



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Milk Opal
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Amethyst

Milk Opal and Amethyst Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble in common solvents
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.50
2.65
1.5 Fracture
Conchoidal
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Indiscernible
1.7 Mohs Hardness
5.5-6.5
7
1.8 Chemical Composition
Not Available
SiO2

Milk Opal and Amethyst Chemical Formula

While comparing Milk Opal and Amethyst 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 Milk Opal and Amethyst chemical formula.

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  • Chemical formula of Amethyst- SiO2

Milk Opal and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Milk Opal and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milk Opal and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Milk Opal is 2.65 whereas that of Amethyst is 2.65.

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