USING several clear specimens of calcite, the scattered spectrum has been photographed in each case under specially favourable conditions of illumination with a Littrow quartz spectrograph and a ...
On this week's episode of Mineral Monday we learn about a mineral that comes in many different crystal formations. On display at The Keck Museum is one of the more rare formations of calcite shown ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results