On this day last year, the 5th eruption of the Sundhnúkur crater system. This one featured quite a bit of ash when the magma hit ground water. I remember seeing how quickly it was lengthening, it was scarily beautiful #Iceland #Sundhnúkur #Reykjanes #Volcano #OTD

Episode 28 of the ongoing Kīlauea summit eruption is over after 9 hours of continuous lava fountaining. The south vent did not appear to activate at all during this episode and has been completely covered by new deposits. Lava fountains reached approximately 1200 ft (365 m).

The colours of the mineral fluorite 🌈 📍National Museum, Prague, Czech Republic

As #Goldschmidt2025 comes to a close, we thank you for being part of this year’s conference in Prague. We warmly invite you to join us for the upcoming Goldschmidts: 2026: July 12–17, Montreal, Canada 2027: July 11–16, Paris, France 2028: July 09–14, Tokyo, Japan Geochemical Society

A great few days in Prague for the #Goldschmidt2025 geochemistry conference 🤓 Great to discover new research, catch up with colleagues, and visit the amazing Hall of Minerals in the National Museum in Prague 💎 Geochemical Society Národní muzeum

Drone footage captured a spectacular view of lava spewing during a volcanic eruption in southwestern Iceland on Wednesday, prompting the evacuation of local residents and the internationally known Blue Lagoon geothermal spa. Read more: abcnews.link/nh04NZp

What a sight! 🌋🔥 Lava lights up the sky in jaw-dropping drone footage during a new eruption on Iceland’s Reykjanes Peninsula on Wednesday, prompting evacuations in the surrounding area.

Yesterday we had a new eruption here in Iceland, way more explosions than I have seen there before. All infastructure is safe. #Volcano #eruption #iceland

Full circle rainbow during today’s volcano live stream, mindblown #iceland #volcano #eruption

Beautiful purple 💜 Brazilian #amethyst (a variety of quartz) on display at the National Museum, Prague, Czech Republic. Width of photos is ~30 cm.

Mineral Monday: The Handbook of Mineralogy on MSA’s Website Where can you find quick and handy information on 5,663 minerals, both common and rare? In the Handbook of Mineralogy of course. It is available on the MSA website (handbookofmineralogy.org).

Mineral Monday: Mineralogy for Kids on the MSA website Here is a resource for the younger members of your family: Mineralogy4Kids, available on the msaweb.org website at: min4kids.org. #MSACommunications #MineralMonday #mineralogy4kids #mineralproperties

Episode 31 of the ongoing Kīlauea summit eruption just started today, August 22, at 2:04 p.m. Hawaii Standard Time. Spattering within the north vent was visible overnight, along with several sluggish overflows. The summit region switched from inflationary deformation to

Mineral Monday: The Mineral Cup Bracket Is Now Available: Voting starts Sept. 1 What is the Mineral Cup? See mineralcup.org. Vote for your favorite mineral each day in September. #MSACommunications #MineralMonday #mineralogy #MineralCup @mineral_cup #MinCup25

Team perovskite! Beautiful, versatile, found in stars and brown dwarfs, used to power solar cells, has an entire structure type named after it.... What more could you want in a mineral? PC: Gery Parent, Flickr

Pretty peachy hued calcite from Czechia. Go, calcite!

One of my graduate students dropped by, struggling a bit with the reviews of their first journal paper. This is what I shared with them to help put them in a better headspace: 1. Peer reviewers are volunteers. 2. Map all comments to actions. 3. Address all comments. 4. Focus

Who's going to the Goldschmidt conference in Montréal this year? If you work with volatiles, check out session 04h in the Magmatism & Volcanism Theme. Abstract deadline is Feb 26th! Geochemical Society Goldschmidt2026