Ring and necklace set

Malachite Sterling Silver ring and necklace set. ring is size 6 1/2. necklace is on a 22in chain. they are from the 1970s. I don't have an exact date. You can see the African continent stamp on the inside of the ring so you know it was made in Africa. "Malachite Metaphysical Properties Malachite is the essence of joy and is known as the "stone of transformation" because it helps reveal and heal emotional pain by absorbing the pain into itself. It is especially helpful in bringing ease during times of change and gives the insight needed for personal growth." "This powerful gemstone aligns its vibrations with the Heart Chakra and the Throat Chakra. Malachite encourages the wearer to take risks and teaches to take responsibility for one's thoughts, actions, and feelings. It balances mood swings, heals cramps, alleviates menstrual disorders, and boosts the immune system"