by Joy | Jul 17, 2009 | Crystals Gemstones Jewelry
Quartz is the most common mineral on the face of the Earth. Chemically, quartz is a compound called silicon dioxide, SiO2. As a crystal, quartz is used as a semiprecious gemstone. Quartz is a relatively hard stone, 7 on the Mohs hardness scale. Quartz is one of the...
by Joy | Apr 18, 2009 | Crystals Gemstones Jewelry
Silver jewellery dresses up beautifully when you add natural gemstones. Amethyst has long been used as gemstones and ornamental stones. Jewelry designers and makers from all around the world have selected amethyst for making jewelry pieces like necklaces, bracelets,...
