Roger Weller, geology instructor
email@example.com copyright 2011-R.Weller
different colors of
At the mere mention of the word, garnet, a mental image of a dark brownish
red color comes to mind. Most garnets seen in inexpensive jewelry are of this color,
but the garnet family of minerals has a surprising variety of colors. In the photo
below there are three dodecahedron crystals of grossularite (a calcium-aluminum
garnet). One is a pale pink, another green, and one brown, all colored by impurities.
Other members of the garnet family have even brighter colors of reddish-
purple, orange, dark pink, and dark olive green.
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.