Difference between revisions of "Template:Andalusite"

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| Chemical composition || Al<sub>2</sub>SiO<sub>5</sub>
 
| Chemical composition || Al<sub>2</sub>SiO<sub>5</sub>
 
|-
 
|-
| Crystal system || orthorhombic
+
| Crystal system || Orthorhombic
 
|-
 
|-
| Habit || prismatic
+
| Habit || Prismatic
 
|-
 
|-
| Cleavage || distinct
+
| Cleavage || Distinct
 
|-
 
|-
| Fracture || sub-conchoidal
+
| Fracture || Sub-conchoidal
 
|-
 
|-
 
| Hardness || 7.5
 
| Hardness || 7.5
 
|-
 
|-
| Optic nature || biaxial -
+
| Optic nature || Biaxial -
 
|-
 
|-
| Refaction index || 1.63-1.64
+
| Refractive index || 1.63-1.64
 
|-  
 
|-  
 
| Birefringence || 0.010
 
| Birefringence || 0.010
 
|-
 
|-
| Dispersion || low, 0.016
+
| Dispersion || Low, 0.016
 
|-  
 
|-  
 
| Specific gravity || 3.18
 
| Specific gravity || 3.18
 
|-
 
|-
| Lustre || vitreous
+
| Lustre || Vitreous
 
|-
 
|-
| Pleochroism || very strong
+
| Pleochroism || Very strong
 
|}
 
|}

Latest revision as of 19:49, 20 December 2006

Andalusite
Chemical composition Al2SiO5
Crystal system Orthorhombic
Habit Prismatic
Cleavage Distinct
Fracture Sub-conchoidal
Hardness 7.5
Optic nature Biaxial -
Refractive index 1.63-1.64
Birefringence 0.010
Dispersion Low, 0.016
Specific gravity 3.18
Lustre Vitreous
Pleochroism Very strong