Starter set of chakra stones : a black tourmaline from Brazil, a tiger’s eye from South Africa, a red jasper from Brazil, a cornelian from Botswana, an orange calcite from Mexique, an aventurin, a chalcedony from Botswana, a sodalite, an amethyst from Brazil
Tumbled stones
1st chakra = base / root chakra (Muladhara) red colour, here a red jasper
2nd chakra = sacral, sexual chakra (Svadhisthana) orange colour, here a cornelian
3rd chakra = solar plexus chakra (Manipura) yellow colour , here a orange calcit
4th chakra = heart chakra (Anahata) pink or green colour, here an aventurin
5th chakra = throat chakra (Vishuda) blue colour, here a chalcedony
6th chakra = 3rd eye / brow chakra (Ajna), indigo colour here a sodalite
7th chakra = crown chakra (Sahasrara) light white or purple coulour, here an amethyst
More details about chakra set of stones in the section "A propos"
More details about stones healing properties in the section “Gemstones"