Achroite and Super Seven Crystals Physical Properties

Achroite

Super Seven Crystals

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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.

2.9

Fibrous

[010] Perfect, [100] Distinct, [011] Distinct

Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite

Achroite and Super Seven Crystals Chemical Formula

While comparing Achroite and Super Seven Crystals 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 Super Seven Crystals chemical formula.

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Achroite and Super Seven Crystals Specific Gravity

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