Kevin M. Gill

kevinmgill.bsky.social

19 September 2025 11:43

A post-DRT MAHLI image of a rock taken by the Mars Curiosity Rover on Sol 4663. flic.kr/p/2ru9ZND

The Met: Medieval Art

metmedieval.bsky.social

17 September 2025 15:51

Casket with Romance Scenes https://www.metmuseum.org/art/collection/search/464136

The Met: Medieval Art

metmedieval.bsky.social

17 September 2025 12:15

Bowl https://www.metmuseum.org/art/collection/search/478819

Pumpkins and Old Skeletons

corgiseveryhour.bsky.social

17 September 2025 12:12

#Nontronite is a greenish to brownish-green clay mineral and a member of the smectite group, characterized by a silicate structure with iron replacing aluminum. It forms under specific environmental conditions. Nontronite has a dull, earthy luster, perfect basal cleavage, and a hardness of 1.5–2.

Elizabeth V

geolizzy.bsky.social

17 September 2025 12:10

Clay minerals don’t get enough love, so I’m voting #nontronite today! Clays aren’t boring, you just don’t know enough about them #MinCup25