Difference between revisions of "Template:Apatite"

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| Chemical composition || Ca<sub>5</sub>(PO<sub>4</sub>)<sub>3</sub>(F,Cl,OH)
 
| Chemical composition || Ca<sub>5</sub>(PO<sub>4</sub>)<sub>3</sub>(F,Cl,OH)
 
|-
 
|-
| Crystal system || hexagonal
+
| Crystal system || Hexagonal
 
|-
 
|-
| Habit || prismatic
+
| Habit || Prismatic
 
|-
 
|-
| Cleavage || imperfect
+
| Cleavage || Imperfect, basal
 
|-
 
|-
| Fracture || conchoidal
+
| Fracture || Conchoidal
 
|-
 
|-
 
| Hardness || 5
 
| Hardness || 5
 
|-
 
|-
| Optic nature || uniaxial -
+
| Optic nature || Uniaxial -
 
|-
 
|-
| Refaction index || 1.63-1.64
+
| Refractive index || 1.63-1.64
 
|-  
 
|-  
 
| Birefringence || 0.003
 
| Birefringence || 0.003
 
|-
 
|-
| Dispersion || low, 0.013
+
| Dispersion || Low, 0.013
 
|-  
 
|-  
 
| Specific gravity || 3.2
 
| Specific gravity || 3.2
 
|-
 
|-
| Lustre || vitreous
+
| Lustre || Vitreous
 
|-
 
|-
| Pleochroism || weak
+
| Pleochroism || Weak
 
|}
 
|}

Latest revision as of 10:29, 3 June 2007

Apatite
Chemical composition Ca5(PO4)3(F,Cl,OH)
Crystal system Hexagonal
Habit Prismatic
Cleavage Imperfect, basal
Fracture Conchoidal
Hardness 5
Optic nature Uniaxial -
Refractive index 1.63-1.64
Birefringence 0.003
Dispersion Low, 0.013
Specific gravity 3.2
Lustre Vitreous
Pleochroism Weak