@book{101816,
	author = {Smith, George Frederick Herbert,},
	title = {Gem-Stones and Their Distinctive Characters},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-12-22},
	url = {https://www.gutenberg.org/ebooks/60990}
}