Perthite Gemstones & Minerals

The following is a list of Perthite gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list.

Microcline

Microcline: Microcline is a silicate of potassium and aluminum, and an alkali member of the feldspar group. It is the phase of this compound that is stable at low temperature. The feldspars are major constituents of the rocks on the earth's crust and comprise some of the most important rock-forming minerals. The four feldspars - orthoclase, sanidine, microcline and anorthoclase - comprise a group called the (read full)