How do I breed a Turquoise Dragon in DragonVale?

Wondering how to hatch the Gemstone Dragon for the month of December? Well if you want to hatch a Turquoise Dragon, and you want to know the best breeding combo read on below! I'm a little disappointed that it bears such a strong resemblance to the Topaz Dragon, but oh well.

Turquoise Dragon

Breeding Pair: Poison + Swamp

Breeding Time: 31 hours or 24 hours 48 min with upgrade

Availability: December

Type: Gemstone, Limited

Price: 1475 Gems (If you'd pay that, you have a problem)