https://padlet.com/128847/v03e62sq009x Made with a narwhal en-us 2017-05-16 18:36:51 UTC 2017-05-23 14:29:38 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Xmastree.png 128847 https://padlet.com/128847/v03e62sq009x/wish/172175494 What makes obsidian black?]]> 2017-05-16 18:42:33 UTC https://padlet.com/128847/v03e62sq009x/wish/172175494 128847 https://padlet.com/128847/v03e62sq009x/wish/172176432 2017-05-16 18:46:43 UTC https://padlet.com/128847/v03e62sq009x/wish/172176432 128847 https://padlet.com/128847/v03e62sq009x/wish/172176918 How rare and hard is obsidian?]]> 2017-05-16 18:48:50 UTC https://padlet.com/128847/v03e62sq009x/wish/172176918 128847 https://padlet.com/128847/v03e62sq009x/wish/172180471 What are the attributes of obsidian?]]> 2017-05-16 19:03:19 UTC https://padlet.com/128847/v03e62sq009x/wish/172180471