According to the history on wikipedia's page on Tobermorite [1], this has been known at least since 2013. [1] https://en.wikipedia.org/w/index.php?title=Toberm

According to the history on wikipedia's page on Tobermorite [1], this has been known at least since 2013. [1] https://en.wikipedia.org/w/index.php?title=Tobermorite&action=history https://en.wikipedia.org/w/index.php?title=Tobermorite&actio...