Geology Lapis lazuli: a piece of heaven on earth May 11, 2013 An intense blue, sprinkled with glittering pyrites 'stars' - no wonder lapis lazuli has been prized since ancient times.
Geology Ladhar Bheinn: a great place for a nunatak April 16, 2013 This rugged mountain in Knoydart's wild interior bears an interesting feature from the last Ice Age.
Geology Labradorite: a flash of inspiration February 15, 2013 In the second in my series on rocks and minerals, I take a look at the mesmerising beauty of labradorite...
Geology Amethyst January 26, 2013 Did I ever tell you that I love rocks? How did you guess? I'm taking a closer …
Geology Staffa: Pillars of creation October 16, 2011 This tiny island off the west coast of Mull looks like the setting for the latest Titan-themed Hollywood movie...
Geology Britain’s oldest rocks September 11, 2011 Lewisian gneiss is the oldest type of rock found in Britain, but there's plenty of it, especially in the Western …
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