Namesake Minerals

Namesake Minerals #12

Another high pressure quartz polymorph features in today’s post, but this one is even more extreme than coesite. Stishovite has a similar history to coesite – it was first created in the laboratory and a natural occurrence was discovered soon after.


Stishovite (black) in the Muonionalusta Meteorite (image from



Namesake Minerals #11

Today’s mineral is formed under intense heat and pressure – quite apt considering what’s been going on in the world lately!


Coesite eclogite from Norway (red = garnet, green = omphacite). This contains minute crystals of coesite which cannot be seen by the naked eye (image by Carl Hoiland from


Namesake Minerals #10

Happy New Year everyone! 2017 is finally here as well as the return of fortnightly namesake minerals posts! It’s been quite a while since the last post so today you’ll be treated to three minerals named after famous petrographers.


Namesake Minerals #9

Sadly, it’s the final mineral in the mythological namesake series. But don’t worry, I’ll return to posts about minerals named after mortals in the coming weeks. If you happen to come across any more minerals named after myths and legends, please let me know! Today’s post features chabazite which gets its name from an ancient poem.


Chabazite-Ca, from Imilchil, Errachidia Province, Morocco (image by Parent Gery from


Namesake Minerals #8

Today’s post features the penultimate mineral in the mythological namesake series. Tapiolite comes from Finland and is named after a figure from Finnish folklore.


Tapiolite from Baixao de Laje Mine, Parelhas, Rio Grande do Norte, Brazil (image by Rob Lavinsky from wikipedia.commons)