Difference between revisions of "Lapis Lazuli"

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[[Image:Lapis-pyrite.JPG|left|framed|Lapis Lazuli with Pyrite inclusions]]<br clear="left" />

Revision as of 06:43, 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