News tagged with calcite crystals

Viking 'sunstone' more than a myth

Ancient tales of Norse mariners using mysterious sunstones to navigate the ocean when clouds obscured the Sun and stars are more than just legend, according to a study published Wednesday.

Nov 02, 2011
4.8 / 5 (39) 37

Crystal clear research

(PhysOrg.com) -- Scientists have successfully created synthetic crystals whose structures and properties mimic those of naturally occurring biominerals such as seashells.

Sep 06, 2011
4.5 / 5 (4) 1 | with audio podcast