Sapphirine and Precious Opal Physical Properties

Sapphirine

Precious Opal

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.581.98-2.25

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

7.55-6.5

2 10

1.8 Chemical Composition

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Sapphirine and Precious Opal Chemical Formula

While comparing Sapphirine and Precious Opal 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 Sapphirine and Precious Opal chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Green Gemstones

Sapphirine Vs Smithsonite

Sapphirine Vs Sphalerite

Sapphirine Vs Smaragdite

Sapphirine and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.