This specimen is Quartz on Albite from Minas Gerais, Brazil. The quartz crystal is pretty clear, but has a slight haziness to it. It also has 7 sides on the main face, which some people refer to as a "channeling crystal". The Albite is a nice bright white color which really makes the quartz stand out.
This piece measures approximately 8.1cm x 4.8cm x 4.7cm tall. This piece comes with a display card that lists the mineral name and locale.