Difference between revisions of "Lapis Lazuli"

From The Gemology Project
Jump to: navigation, search
 
Line 1: Line 1:
 
{{Lapis_Lazuli}}
 
{{Lapis_Lazuli}}
 +
[[Image:Lapis-pyrite.JPG|left|framed|Lapis Lazuli with Pyrite inclusions]]<br clear="left" />

Revision as of 07:43, 11 December 2006

Lapis Lazuli
Chemical composition rock consisting of lazurite, hauyne, calcite and pyrite
Habit aggregate
Fracture uneven
Hardness 5.5
Refractive index 1.500 - 1.670
Specific gravity 2.50 - 3.00
Lustre resinous to vitreous
Lapis Lazuli with Pyrite inclusions