Roger Weller, geology instructor
email@example.com copyright 2010-R.Weller
orthoclase-Carlsbad twinned crystal-2
A twin crystal is a structure where two or more crystals of the same mineral are
growing together, oriented in a specific crystallographic direction. This particular
type of orthoclase feldspar twinning is referred to as a Carlsbad twin.
The specimen is a little under 4 centimeters in length.
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.