December 17, 2017

12.05.11: New Cosmic Minerals Part II.

A view of Krotite. (Credit: university of Hawaii/American Mineralogist).

Faster than you can say carbonaceous chondrite, another new meteorite-bound mineral was recently announced from the University of Hawaii. Readers of this space will remember the recent discovery of Wassonite last month. Now, enter Krotite, a low-pressure refractory inclusion with a chemical composition of CaAl2O4. [Read more...]

12.04.11: The Weigh-in on Wassonite.

A sliver of Wassonite… (Credit: NASA/JSC).

Sometimes, it pays to go back and take a peek at old samples with new equipment. Recently, NASA scientists working in collaboration with South Korean and Japanese researchers have announced the discovery of Wassonite (rhymes with the fictional Kryptonite!) a mineral with a crystalline structure and composition unseen on Earth. The sample comes from a meteorite dubbed Yamato 691, an enstatite chondrite recovered from the Antarctic continent in 1969. [Read more...]