Examination of red and blue samples of a relatively new flux synthetic spinel from Russia established criteria by which they can be separated from their natural counterparts. The flux synthetic blue ...
Advertisement Getty Images Mikel Arteta says Bukayo Saka will have tests to determine the extent of a hamstring injury picked up during Arsenal's 5-1 win over Crystal Palace on Saturday.
This is true for both uniaxial and biaxial stones, even if they are cut in a less-symmetrical (e.g., pear or heart) shape. The pleochroism will always be displayed symmetrically because the important ...
For our annual Crypto Crystal Ball series, we're taking a hard look at the narratives likely to shape the coming year, and how they’re likely to impact you. Following a look at how much political ...