Gemstone the stone such as color zoning (the uneven distribution of coloring within a gem) and asteria (star effects). The Greeks, for example, greatly valued asteria gemstones, which were regarded as powerful love charms, and Helen of Troy was known to have worn star-corundum. Aside from the diamond, the ruby, sapphire, emerald, pearl (not, strictly speaking, a gemstone), and opal have also been considered to be precious. Up to the discoveries of bulk amethyst in Brazil in the 19th century, amethyst was considered a "precious stone" as well, going back to ancient Greece. Even in the last century certain stones such
Carlin stone the circle were found a small perforated axe-hammer, portions of 3 bronze armlets, flint chips and a jet button. This natural stone outcrop is known as Carlin Maggie and has the look of something imported from Easter Island, but it is natural. It is said to be a witch turned to stone by the Devil after she got on his nerves ("carline" is an old Scots word for 'witch'). The Devil threw a lightning bolt which had the effect of petrifying her. It is a rock pillar estimated to be high, on the Western slope of Bishop Hill, overlooking Loch