Rock Crystal and Smithsonite Physical Properties

Rock Crystal

Smithsonite

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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

2.654.00-4.65

1 7.18

1.5 Fracture

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

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [1011]

1.7 Mohs Hardness

75-5.5

2 10

1.8 Chemical Composition

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

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rock Crystal and Smithsonite Chemical Formula

While comparing Rock Crystal and Smithsonite 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 Smithsonite chemical formula.

Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Rock Crystal Vs Serendibite

Rock Crystal Vs Sardonyx

Rock Crystal Vs Scorzalite

Rock Crystal and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.