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Plumbogummite
Plumbogummite

Amethyst
Amethyst



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Plumbogummite
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Amethyst

Plumbogummite and Amethyst Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
4.014
Uneven, Conchoidal
None
4-5
PbAl3(PO4)(SO4)(OH)6
 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2

Plumbogummite and Amethyst Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Amethyst chemical formula.

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Plumbogummite and Amethyst Specific Gravity

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