Difference between revisions of "Template:Ametrine"

From The Gemology Project
Jump to: navigation, search
m
 
Line 7: Line 7:
 
| Crystal system || Trigonal
 
| Crystal system || Trigonal
 
|-
 
|-
| Habit || prismatic
+
| Habit || Prismatic
 
|-
 
|-
| Cleavage || poor
+
| Cleavage || Poor
 
|-
 
|-
| Fracture || conchoidal
+
| Fracture || Conchoidal
 
|-
 
|-
 
| Hardness || 7
 
| Hardness || 7
 
|-
 
|-
| Optic nature || uniaxial +
+
| Optic nature || Uniaxial +
 
|-
 
|-
 
| Refractive index || 1.544 - 1.553
 
| Refractive index || 1.544 - 1.553

Latest revision as of 19:03, 21 December 2006

Ametrine
Chemical composition Silicon dioxide SiO2
Crystal system Trigonal
Habit Prismatic
Cleavage Poor
Fracture Conchoidal
Hardness 7
Optic nature Uniaxial +
Refractive index 1.544 - 1.553
Birefringence 0.009
Dispersion 0.013
Specific gravity 2.63 - 2.65
Lustre Vitreous