This  is Mangano Calcite Crystal Tumbled.

Emotional Connection: heals the nervous conditions and helps to lift anxiety and tension. It brings calm, love, rest, peace and harmony as well as unconditional love. It is a stone of forgiveness, helping to relive fear and grief that keeps the heart trapped in the past.

Spiritual Connection: Boost energy flow through Crown Chakra to Heart Chakra, aids with spiritual healing.

Chakra: Heart

Zodiac: Cancer