Golden mine?

[Sheeba8188]

I have an gem offer including a golden mine for 1400 gem purchase what is this? Is it deco or a resource building for golden nuggets please advise thanks

https://s31.postimg.org/6pzj6usbf/Screenshot_2016_07_13_20_10_49.png

[SpiritWind00]

You can find out this info in the Inventory Guide ;)