Ice crystals on a feldspar crystallite under the electron microscope. Although they grow on various levels of the feldspar, they have the same orientation. Disclaimer: AAAS and EurekAlert!

Here is a link to photos of large Kalinite crystals. Kalinite is also refered to as "Alum" or " Potasium Alum." Following the Back to Crystal Page link on this page, you will find information about ...