Captions provided by CCTubes – Captioning the Internet! Gems are more than just pretty rocks!
Hosted by: Michael Aranda
———-
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
———-
Dooblydoo thanks go to the following Patreon supporters—we couldn’t make SciShow without them! Shout out to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi
———-
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:
http://scifun.chem.wisc.edu/chemweek/gemstones/gemstones.html
https://www.gia.edu/gems-gemology/fall-2014-introduction-pleochroism-faceted-gems
https://nature.berkeley.edu/classes/eps2/wisc/pleo.html
http://www.minerals.net/resource/property/magnetic.aspx
http://geology.com/gemstones/chatoyancy/
http://www.geologyin.com/2016/12/how-do-asterism-minerals-form.html
http://academic.emporia.edu/abersusa/whatis.htm
http://geology.com/gemstones/jet/
http://www.bwsmigel.info/lesson3/dephysical.properties.html
http://www.minerals.net/Quartz_polymorphs.aspx
https://www.britannica.com/science/mineral-chemical-compound/Polymorphism
https://www.uwgb.edu/dutchs/Petrology/Silica%20Poly.HTM
http://www.minerals.net/mineral/quartz.aspx
http://www.minerals.net/Quartz_polymorphs.aspx
http://www.resourcesandenergy.nsw.gov.au/miners-and-explorers/applications-and-approvals/opal-mining/about-opal/formation-of-opal
http://www.australiangeographic.com.au/news/2013/05/uncovered-the-truth-about-opal-formation/
http://www.minerals.net/mineral/opal.aspx
http://canmin.geoscienceworld.org/content/46/1/139.short
http://io9.gizmodo.com/5987941/eric-the-pliosaur-one-of-the-most-interesting-fossils-on-the-planet
http://scifun.chem.wisc.edu/chemweek/gemstones/gemstones.html
http://www.gemstonemagnetism.com/overview_of_magnetism_in_gemstones.html
http://geminnovations.net/sitebuildercontent/sitebuilderfiles/article.pdf
https://www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/periodic-properties-8/electron-configuration-68/diamagnetism-and-paramagnetism-320-10520/
http://www.minerals.net/resource/property/magnetic.aspx
http://hyperphysics.phy-astr.gsu.edu/hbase/Solids/ferro.html#c1
http://hyperphysics.phy-astr.gsu.edu/hbase/Solids/magpr.html
http://www.scipress.org/journals/forma/pdf/1401/14010147.pdf
https://www.wolframscience.com/nksonline/page-993c-text
http://www.amazingrust.com/Experiments/how_to/Bismuth_Crystals.html
http://www.gemselect.com/gem-info/coral/coral-info.php
https://nature.berkeley.edu/classes/eps2/wisc/Lect17.html
http://www.ruby-sapphire.com/the-silk-road-rutile-in-corundum.htm
http://images-of-elements.com/iron.php
http://images-of-elements.com/neodymium.php