Difference between revisions of "Template:Chalcedony"

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Line 3: Line 3:
 
! colspan=2 | Chalcedony
 
! colspan=2 | Chalcedony
 
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| Chemical composition || edit me
+
| Chemical composition || Silicon dioxide
 
|-
 
|-
| Crystal system || edit me
+
| Crystal system || Trigonal
 
|-
 
|-
 
| Habit || edit me
 
| Habit || edit me
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| Fracture || edit me
 
| Fracture || edit me
 
|-
 
|-
| Hardness || edit me
+
| Hardness || 7
 
|-
 
|-
 
| Optic nature || edit me
 
| Optic nature || edit me
 
|-
 
|-
| Refaction index || edit me
+
| Refraction index || 1.544 - 1.553
 
|-  
 
|-  
| Birefringence || edit me
+
| Birefringence || 0.009
 
|-
 
|-
| Dispersion || edit me
+
| Dispersion || 0.013
 
|-  
 
|-  
| Specific gravity || edit me
+
| Specific gravity || 2.63 - 2.65
 
|-
 
|-
| Lustre || edit me
+
| Lustre || Vitreous
 
|-
 
|-
 
| Pleochroism || edit me
 
| Pleochroism || edit me

Revision as of 01:05, 1 October 2006

Chalcedony
Chemical composition Silicon dioxide
Crystal system Trigonal
Habit edit me
Cleavage edit me
Fracture edit me
Hardness 7
Optic nature edit me
Refraction index 1.544 - 1.553
Birefringence 0.009
Dispersion 0.013
Specific gravity 2.63 - 2.65
Lustre Vitreous
Pleochroism edit me