S OME GEMSTONES JUST make better subjects for the Gem Quiz. Chrysoprase is such a stone. It’s got pedigree, recurring through ...
The discovery was made in the Taita Hills, near the Tsavo National Park, which inspired the gemstone's name. Along with the discovery of tsavorite, Bridges became enamoured with a purplish-blue stone ...
This means the archaeological record of human tool use is deeply skewed towards the much hardier stone. All this suggests that the origins of human technology could have been profoundly misunderstood.
Well, the argument that nothing is perfect may be valid. Stone flooring, however, just maybe close enough to blur the line. The more likely question is which one is best for you? Find out here in ...