Gem Baskets, also known as Wicker Baskets, are the easiest type of containers that can be broken open by any of Spyro's attacks, from charging to flaming. They first appeared in Spyro 2: Ripto's Rage! and has since then appeared throughout the series. As such they replaced the Treasure Chests from the Spyro the Dragon.
They made a reappearance in The Legend of Spyro: Dawn of the Dragon.