What makes diamonds blue? Boron from oceanic crustal remnants in Earth's lower mantle

Blue diamonds -- like the world-famous Hope Diamond at the National Museum of Natural History -- formed up to four times deeper in the Earth's mantle than most other diamonds, according to new work.

from Top Technology News -- ScienceDaily https://ift.tt/2M8JfiS
via IFTTT
Previous
Next Post »

StatCounter