# 5november november5 5novembre 11月5日 meteorites petrography mineralogy lochabergeopark sciart geology rocks microscope

It's all about sphalerite for todays I don't think this little mineral gets enough attention! It's very important for global Zn production and really useful for constraining fluid conditions in seafloor hydrothermal deposits.

12 61
2022-01-20

2020

Thin section of a cosmic spherule photographed under a polarizing optical microscope

image via pisatoday

2 7
2020-11-06

Normally chlorite is bad news in my samples as it forms from the breakdown of the minerals I'm interested in, but this chlorite vein looks simply spectacular!

13 69
2020-07-23

The famous 'Chromite Band' from the ultramafic layered intrusion, Isle of Rum, Showing peridotite and troctolite layers with chromite between. FOV 25mm. See https://t.co/OK0u52SXKp for more info and photos , + availability.

3 12
2019-02-14