Difference between revisions of "Template:Tanzanite"

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! colspan=2 | Tanzanite
 
! colspan=2 | Tanzanite
 
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| Chemical composition || Calcium aluminium silicate
+
| Chemical composition || Calcium aluminum silicate
 
|-
 
|-
| Crystal system || orthorhombic
+
| Crystal system || Orthorhombic
 
|-
 
|-
| Habit || prismatic
+
| Habit || Prismatic
 
|-
 
|-
| Cleavage || perfect, prismatic
+
| Cleavage || Perfect, prismatic
 
|-
 
|-
| Fracture || uneven
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| Fracture || Uneven
 
|-
 
|-
 
| Hardness || 6.5
 
| Hardness || 6.5
 
|-
 
|-
| Optic nature || biaxial +
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| Optic nature || Biaxial +
 
|-
 
|-
 
| Refractive index || 1.685-1.707
 
| Refractive index || 1.685-1.707
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| Birefringence || 0.008
 
| Birefringence || 0.008
 
|-
 
|-
| Dispersion || low, 0.012
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| Dispersion || Low, 0.012
 
|-  
 
|-  
 
| Specific gravity || 3.35
 
| Specific gravity || 3.35
 
|-
 
|-
| Lustre || vitreous
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| Lustre || Vitreous
 
|-
 
|-
| Pleochroism || strong trichoism (dichroism in heated)
+
| Pleochroism || Strong trichroism (dichroism in heated)
 
|}
 
|}

Latest revision as of 20:02, 23 December 2006

Tanzanite
Chemical composition Calcium aluminum silicate
Crystal system Orthorhombic
Habit Prismatic
Cleavage Perfect, prismatic
Fracture Uneven
Hardness 6.5
Optic nature Biaxial +
Refractive index 1.685-1.707
Birefringence 0.008
Dispersion Low, 0.012
Specific gravity 3.35
Lustre Vitreous
Pleochroism Strong trichroism (dichroism in heated)