IN the course of some work on lapis lazuli, we were astonished to find how wide was the discrepancy between the specific gravities of our specimens and the values accorded to this rock by all the ...

Over the years, Rolex has selected various hard stones to adorn its dials, ranging from coral and tiger’s-eye to malachite, lapis lazuli, and, in this case, sodalite. These eye-catching pieces ...

Stone dials are all over Watch Instagram right now, and the new Baltic Prismic is the most affordable way to get in on the ...

In March, the European Union and G7 countries imposed a fresh ban on the import of Russian unpolished diamonds, including those processed in India and sold in the West via third countries.

If unpolished and polished rice is compared, then the former has a higher content of fibre, antioxidants, vitamins and minerals than the latter.“Studies have confirmed these benefits ...

To say No. 99 looks awful is putting it mildly. Judge hasn’t chased this many pitches out of the strike zone since he was an unpolished rookie in 2016. Judge talks about “getting my pitch ...