Apatite is a phosphorus-based gem found in a range of colors, including yellow, blue and green. The most popular shade is a bright bluish-green, which resembles the much more expensive Paraiba ...
Sapphire, the September birthstone comes in all the colors of the rainbow – except red. Learn more about the birthstone of wisdom, loyalty and nobility and discover its history and where it can be ...
Blue sapphire and tourmaline are strongly dichroic uniaxial gems, while tanzanite (again, see figure 1) provides an example of a strongly trichroic biaxial stone. Not all uniaxial gems display visible ...
In Feng Shui, it is believed that each element (wood, fire, earth, metal, and water) has a corresponding energy that affects us. Products made from certain stones or materials are thought to harness ...