Calcite: The Mineral with the Most Forms (ExtraLapis English #4)

• Polarization
• Wave Theory
• Ring Sights

Over its long history, calcite has been instrumental in shaping the worlds of microscopy, technology, physics and even the science of war.
• Innumerable Habits
• Stunning Twins
• Cave Formations

To collectors, the word calcite invokes thoughts of shape and for good reason: calcite is found in more habits than any other mineral. It has fascinated crystallographers for generations.
• Favorite Fluorescence
• Dazzling Gemstone
• Colorful Combinations

Pure calcite is colorless, but even trace impurities can bring intense color to its many forms. The correct cut can transform common calcite into a stunning gemstone.