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

2020

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

image via pisatoday

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2020-11-06

Observing and drawing through the microscope. Garnet peridotite thin section.

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2020-09-07

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!

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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.

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2019-02-14