De l'acide sur une pierre précieuse ? (malachite)

Acid on a precious stone? A new format in which we'll learn more about minerals, from the most bizarre to the most beautiful. We'll start with this first episode on Malachite. Mineralogy, acid, microscopy—in short, there's a bit of everything. Malachite: https://amzn.to/33M2zgR You can click here to subscribe ▶ http://bit.ly/1LaNlBD Illustration/Writing Editing: https://bit.ly/2o1bwwM Thanks to Brusicor for the help My Gear: Camera: http://amzn.to/2oBOE9n Lens: http://amzn.to/2pbhj2T Microphone: http://amzn.to/2oZYSBg The Life-Saving Lavalier Microphone: http://amzn.to/2oql44s Lighting: http://amzn.to/2pbu91k // http://amzn.to/2o86pdp Tripod: http://amzn.to/2pbiVtl Instagram:   / docnozman   Twitch: www.twitch.tv/docnozman Facebook: http://on.fb.me/1qEkh9H Twitter:   / drnozman   Thank you all and see you soon!