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Purpurite
Purpurite
☒

Heliotrope
Heliotrope
☒



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Purpurite
X
Heliotrope

Purpurite and Heliotrope Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
2.61
-
None
6.5-7
SiO2

Purpurite and Heliotrope Chemical Formula

While comparing Purpurite and Heliotrope 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 Purpurite and Heliotrope chemical formula.

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Purpurite and Heliotrope Specific Gravity

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