![Turquoise](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Turquoise.pebble.700pix.jpg/250px-Turquoise.pebble.700pix.jpg)
chemical formula CuAl6(PO4)4(OH)8·4H2O
![Roquefort cheese](http://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Roquefort_cheese.jpg/250px-Roquefort_cheese.jpg)
![Natural History](http://upload.wikimedia.org/wikipedia/commons/6/67/Naturalishistoria.jpg)
https://en.wikisource.org/wiki/Natural_History
[[:File:XxxHolic_vol1_Cover.jpg|center|250 px|xxxHolic]]
chemical formula CuAl6(PO4)4(OH)8·4H2O
https://en.wikisource.org/wiki/Natural_History
[[:File:XxxHolic_vol1_Cover.jpg|center|250 px|xxxHolic]]