Rock Crystal and Augelite Physical Properties

Rock Crystal

Augelite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.70-2.75

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

74.5-5

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Rock Crystal and Augelite Chemical Formula

While comparing Rock Crystal and Augelite 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 Rock Crystal and Augelite chemical formula.

Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Rock Crystal Vs Serendibite

Rock Crystal Vs Sardonyx

Rock Crystal Vs Scorzalite

Rock Crystal and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Augelite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 2.70-2.75 whereas that of Augelite is 2.70-2.75.