Iolite Tumblestone XL
Iolite is a great companion stone. It works well with others as it will help enhance their strengths such as Peridot and Citrine, Haematite and Jet.
If you use it with Garnet, it will strengthen the grounding properties. Carry this stone with you along with a Garnet to help feel much more grounded.
Ritualistic uses -
Element - Wind
Planet - Saturn
Zodiac - Taurus, Libra and Sagittarius
Chakra - Third Eye