There are many different stones that you can use to balance the chakra. I have included a list below.

CHAKRA PRIMARY COLOUR ASSOCIATED GEMSTONES

1st Chakra – Root Chakra
Red
Red Jasper, Garnet, Onyx, Rubies, Black Jade

2nd Chakra – The Navel
Orange
Carnelian, Moonstone, Hematite, Orange Zincite

3rd Chakra – Solar Plexus
Yellow
Citrine,Amber, Topaz, Yellow Aventurine

4th Chakra – The Heart

Green & Pink
Green Aventurine
Rose Quartz, Chinese Fluorite, Dragons Blood Jasper, Green Fushite

5th Chakra – The Throat
Light Blue
Aquamarine, Turquoise Blue Lace Agate, Sodalite, Lapis Lazuli

6th Chakra – The Third Eye
Dark Blue
Lapiz Lazuli, Sapphire, Turquoise, Amethyst, Lepidolite

7th Chakra – Crown
Purple
Clear Quartz or Amethyst, Kunzite