Difference between revisions of "Template:Quartz"

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| Hardness || 7
 
| Hardness || 7
 
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| Optic nature || edit me
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| Optic nature || U +
 
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| Refractive index || 1.544 - 1.553
 
| Refractive index || 1.544 - 1.553

Revision as of 18:26, 23 December 2006

Quartz
Chemical composition SiO2 Silicon dioxide
Crystal system Trigonal
Habit Prismatic
Cleavage Poor
Fracture Very brittle, conchoidal
Hardness 7
Optic nature U +
Refractive index 1.544 - 1.553
Birefringence 0.009
Dispersion 0.013
Specific gravity 2.65
Lustre Vitreous
Pleochroism None