Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
gem quality lapis-1
Afghanistan
Lapis lazuli is
also known as lazurite and is a sodium aluminum silicate with sulfur.
This
mineral used to be ground up to make the paint pigment ultramarine. In gem
form
there are often inclusions of small pyrite crystals.
lapis
Photos are copyright free only for
non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.
Lapis
courtesy of Global Gems
Shafi Naseri
Specializing in lapis cutting material
(909) 694-4854761-9596