Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
apatite, light blue crystal-1
Russia
Length of crystal is 4 cm.
apatite
2677
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of Blue Cat Minerals
Nathan and April Aloisio
[email protected]