[Rockhounds] Seifertite - Cristobalite Mystery Solved

[Paul]

High-pressure experiments solve meteorite mystery
https://phys.org/news/2017-06-high-pressure-meteorite-mystery.html
http://www.sciencenewsline.com/news/2017060716060021.html

The paper is:

Černok, A., K. Marquardt, and others, 2017, Compressional
pathways of α-cristobalite, structure of cristobalite X-I, and
towards the understanding of seifertite formation,
Nature Communications (2017). DOI: 10.1038/ncomms15647
https://www.nature.com/articles/ncomms15647

Yours,

Paul H.