Sphalerite and Tourmaline Physical Properties

Sphalerite

Tourmaline

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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

3.95-4.102.85-3.35

1 7.18

1.5 Fracture

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Perfect, {110} Perfect, {110} Perfect

Indistinct

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Sphalerite and Tourmaline Chemical Formula

While comparing Sphalerite and Tourmaline 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 Sphalerite and Tourmaline chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Sphalerite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.