Ettringite and Super Seven Crystals Physical Properties

Ettringite

Super Seven Crystals

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Partially soluble in water

1.77

Perfect on {10 1 0}

2-2.5

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

2.9

Fibrous

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

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

Ettringite and Super Seven Crystals Chemical Formula

While comparing Ettringite 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 Ettringite and Super Seven Crystals chemical formula.

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Ettringite and Super Seven Crystals Specific Gravity

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