Sphalerite and Andesine Physical Properties

Sphalerite

Andesine

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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

3.95-4.10

2.65-2.69

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, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on {001}, good on {010}

1.7 Mohs Hardness

3.5-4

6-6.5

1.8 Chemical Composition

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

(Na,Ca)Al_1-2Si_3-2O₈

Sphalerite and Andesine Chemical Formula

While comparing Sphalerite and Andesine 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 Andesine chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Sphalerite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.