Precious Opal and Eudialyte Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
H 2 SO 4
Durability
Not Available
Not Available
Specific Gravity
1.98-2.25
2.74-3.00
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
5-6.5
5-5.5
Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Precious Opal and Eudialyte Chemical Formula
While comparing Precious Opal and Eudialyte 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 Precious Opal and Eudialyte chemical formula.
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
- Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Precious Opal and Eudialyte Specific Gravity
Another important criteria for qualitative analysis of gemstones is Precious Opal and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.