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5 Kinds of Glass Made by Nature

Written By SciShow on Sunday, Sep 15, 2019 | 05:00 PM

 
Did you know that glass can be made in nature? In this episode of SciShow, Michael Aranda shows you 5 types of amazing glass naturally produced in nature. Let's go! Go to http://Brilliant.org/SciShow to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium subscription. SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://flexiblelearning.auckland.ac.nz/rocks_minerals/rocks/index.html https://www.britannica.com/science/obsidian https://www.sciencedirect.com/science/article/pii/0022309375901209 http://volcano.oregonstate.edu/book/export/html/205 https://www.mindat.org/min-8520.html https://www.sandatlas.org/volcanic-glass/ https://www.mindat.org/min-3004.html https://pubs.geoscienceworld.org/msa/ammin/article-abstract/93/11-12/1865/44683/common-gem-opal-an-investigation-of-micro-to-nano?redirectedFrom=PDF https://pubsapp.acs.org/cen/whatstuff/stuff/8104sci3.html https://australianmuseum.net.au/learn/minerals/gemstones/opal/ https://www.mindat.org/min-32187.html https://www.ga.gov.au/education/classroom-resources/minerals-energy/australian-mineral-facts/opal https://cosmosmagazine.com/space/opal-found-in-antarctic-meteorite https://australianmuseum.net.au/learn/minerals/shaping-earth/tektites/ https://www.britannica.com/science/tektite http://www.jsg.utexas.edu/npl/outreach/tektites/ https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750015372.pdf https://oumnh.ox.ac.uk/fulgurites http://www.usfcam.usf.edu/cam/exhibitions/1998_12_McCollum/supplemental_didactics/47.Petrified.pdf https://link.springer.com/article/10.1007%2Fs00410-012-0753-5 https://www.mindat.org/min-2363.html https://blogs.discovermagazine.com/but-not-simpler/tag/fulgurite/ http://glassspongereefs.com/the-discovery/ https://oceanservice.noaa.gov/facts/glass-sponge.html http://docs.niwa.co.nz/library/public/NBM-124.pdf https://www.ncbi.nlm.nih.gov/pubmed/21680406 https://www.mpg.de/5595233/climate_archive_deep-sea_sponge https://australianmuseum.net.au/learn/animals/sea-stars/sponges/invertebrates-collection-deepsea-glass-sponge/ Image Sources: https://www.videoblocks.com/video/semiprecious-stones-euy9kmpolijrviv3d https://commons.wikimedia.org/wiki/Category:Obsidian#/media/File:13_years_of_Russian_Wikinews_in_Moscow_21.jpg https://commons.wikimedia.org/wiki/Category:Obsidian#/media/File:Glass_Mountain_in_northern_California_in_summer_2012_(15).JPG https://commons.wikimedia.org/wiki/Category:Snowflake_obsidian#/media/File:Snowflake_Obsidian441.jpg https://www.istockphoto.com/photo/lava-gm155375562-19741844 https://commons.wikimedia.org/wiki/File:Opal_Welo_-_Welo,_Afar_Province,_Etiopia,_Afryka..jpg https://www.videoblocks.com/video/ripples-on-the-water-close-up-hrjvwkr https://www.flickr.com/photos/jsjgeology/29885687305/in/photolist-oTFG2S-paUhve-pb8Fpf-2eMiXq1-8FpLeH-oWjT8z-pbNjqs-oTFujd-2eA7tuR-C9iBux-paU4Bi-p98HaA-24Wa8Qc-UpyxVY-MwTXCM-TqdxZi-MmYqAy-Mw1Dfs https://commons.wikimedia.org/wiki/File:Indochinite.jpg https://www.istockphoto.com/photo/lunar-crater-surface-texture-backdrop-gm957057906-261324105 https://www.istockphoto.com/vector/earth-from-space-with-moon-and-rocket-gm831703660-135365579 https://www.istockphoto.com/photo/watercolor-vintage-world-map-in-green-colors-gm1043715014-279376499 https://en.wikipedia.org/wiki/Moldavite#/media/File:Moldavite_No.2.jpg https://en.wikipedia.org/wiki/Australite#/media/File:Australite_back_obl.jpg https://en.wikipedia.org/wiki/Philippinite#/media/File:Philippinite.jpg https://en.wikipedia.org/wiki/Fulgurite#/media/File:Fulgurite1.jpg https://commons.wikimedia.org/wiki/File:Fulgurites-algeria.jpg https://en.wikipedia.org/wiki/Fulgurite#/media/File:Fulgurite.JPG https://commons.wikimedia.org/wiki/Category:Fulgurites#/media/File:Type_IV_rock_fulgurite_2.jpg https://en.wikipedia.org/wiki/Fulgurite#/media/File:Fulgurite_at_Rice_NW_Museum_-_Hillsboro,_Oregon.JPG https://commons.wikimedia.org/wiki/File:Type_II-III_fulgurite,_Ann_Arbor,_MI.jpg https://en.wikipedia.org/wiki/Hexactinellid#/media/File:SpongeXenophorid.jpg https://commons.wikimedia.org/wiki/File:Expl6627_(9734259269).jpg https://commons.wikimedia.org/wiki/File:Expn4384_(27840605922).jpg https://www.istockphoto.com/photo/computer-classroom-gm506889946-84447115