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Grandidierite
Grandidierite

Orthoclase
Orthoclase



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Grandidierite
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Orthoclase

Grandidierite and Orthoclase Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.85-3.002.54-2.61
Amber
1 7.18
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Gems, Uneven
1.6 Cleavage
Perfect
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
1.7 Mohs Hardness
7.56
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Orthoclase Chemical Formula

While comparing Grandidierite and Orthoclase 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 Grandidierite and Orthoclase chemical formula.

  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  • Chemical formula of Orthoclase- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.