A mysterious new moon rock has revealed its secrets to scientists on Earth, who cooked up a copy of the unattainable pink crystals in a searing hot crucible. The new moon rock was found five years ago ...
MAGNESIUM aluminium oxide sure is a pretty mineral. It forms spinel, a gem coveted throughout history and whose red variant is sometimes confused with ruby. It was used in the Timur Ruby necklace made ...
Ruby-red spinel with 400-year-old engravings, reportedly discovered near Leicestershire railway track, to go on sale For a few days in the 1920s, according to a cutting from a local paper in ...
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