Et si on parlait cailloux ? #28 Le Gypse

New channel Musée de Minéralogie Mines Paris - PSL: title sample judged 'whole' (Nearly all long uploads are genuine educational mineralogy/geology content (mineral identification, rock types, crystal ); 1 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.

A 4-minute video from Musée de Minéralogie Mines Paris - PSL: “Et si on parlait cailloux ? #28 Le Gypse”.

Video by Musée de Minéralogie Mines Paris - PSL, played through YouTube's embedded player.