Raw garnet from Madagascar (© Walter Geiersperger/Corbis)

【August 30 2013】We tend to think of garnet as a red gemstone. But the mineral comes in a range of colors, with variations caused by different chemical compositions and the way in which the crystals form. Only the glasslike garnets are destined for jewelry and other decorative use. Opaque garnets are often used as an industrial abrasive.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..