Difference between revisions of "Template:Larimar"

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| Chemical composition || NaCa<sub>2</sub>Si<sub>3</sub>O<sub>8</sub>(OH)
 
| Chemical composition || NaCa<sub>2</sub>Si<sub>3</sub>O<sub>8</sub>(OH)
 
|-
 
|-
| Crystal system || edit me
+
| Crystal system || triclinic
 
|-
 
|-
| Habit || edit me
+
| Habit || aggregate
|-
 
| Cleavage || edit me
 
|-
 
| Fracture || edit me
 
 
|-
 
|-
 
| Hardness || 5
 
| Hardness || 5
 
|-
 
|-
| Optic nature || edit me
+
| Optic nature || biaxial +
 
|-
 
|-
 
| Refractive index || 1.59 - 1.63
 
| Refractive index || 1.59 - 1.63
 
|-  
 
|-  
| Birefringence || edit me
+
| Birefringence || 0.028-0.038
|-
 
| Dispersion || edit me
 
 
|-  
 
|-  
 
| Specific gravity || 2.62 - 2.87
 
| Specific gravity || 2.62 - 2.87
 
|-
 
|-
| Lustre || edit me
+
| Lustre || silky
 
|-
 
|-
| Pleochroism || edit me
+
| Fluorescence || yellow or orange (SW-UV)
 
|}
 
|}

Revision as of 14:27, 5 December 2006

Larimar
Chemical composition NaCa2Si3O8(OH)
Crystal system triclinic
Habit aggregate
Hardness 5
Optic nature biaxial +
Refractive index 1.59 - 1.63
Birefringence 0.028-0.038
Specific gravity 2.62 - 2.87
Lustre silky
Fluorescence yellow or orange (SW-UV)