A Guide to Gemstones – Part 2
Semi-Precious Stones Gemstones that are valued for their beauty and not covered under any one of the four ‘precious stones’ (diamond, emerald, ruby or sapphire) are known as semi-precious stones. Semi-precious stones are available in all price ranges from low to high. Alexandrite Colour: Dark to Pale Green (colour changes in different forms of light) Mineral: Chrysoberyl Mohs hardness scale: 8.5 Source: Mainly Found in Sri Lanka, Brazil, USA, Madagascar, Russia. Often described by gem aficionados as “emerald by day, ruby by night,” alexandrite is the very rare colour-changing variety... Read More