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Achroite
Achroite

Heliotrope
Heliotrope



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Achroite
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Heliotrope

Achroite and Heliotrope Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.40
Uneven, ConchoidalWalter Schumann
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
 
-
-
-
2.61
-
None
6.5-7
SiO2

Achroite and Heliotrope Chemical Formula

While comparing Achroite 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 Achroite and Heliotrope chemical formula.

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Achroite and Heliotrope Specific Gravity

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