Rock Crystal and Zincite Physical Properties

Rock Crystal

Zincite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.655.50-5.90

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Rock Crystal and Zincite Chemical Formula

While comparing Rock Crystal and Zincite 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 Zincite chemical formula.

Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Rock Crystal Vs Serendibite

Rock Crystal Vs Sardonyx

Rock Crystal Vs Scorzalite

Rock Crystal and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Zincite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 5.50-5.90 whereas that of Zincite is 5.50-5.90.