Though it might sound like a form of turquoise, African Turquoise is its own unique stone. A teal, speckled form of jasper, African Turquoise. Don’t allow its appearance to confuse you, though — it offers quite different qualities and energies. Considered the stone of evolution, African Turquoise brings about great change and transformation within life. Its encouraging energy opens minds to the possibility of newness. 

This stone helps us to see the need for development and metamorphosis, and provides the balance and confidence necessary to further the process of self-development. It will renew your spirit, energy, and path in life. 

Carry it with you, and you will feel its reassurance as you meet new possibilities. Reference from: https://www.sagegoddess.com/product/african-turquoise-the-stone-of-evolution-and-transformation/

The name "African Turquoise" is a bit of a misnomer in the sense that this stone isn't turquoise at all, rather it is a variety of jasper (which is itself a form of chalcedony) that is mined in Africa. 

The stone's beautiful organic look comes from the mineral content of the stone, incuding crystal quartz (giving it the opaque appearance) as well as copper and iron. African turquoise is considered the stone of evolution, bringing about great change and transformation in life. This gorgeous stone opens up your mind to the possibility 

of all things new and unknown. It helps us to accept the need for change and gives us the strength to pursue it with confidence. I imagine it would be beautiful and supportive in a design that someone would wear to a job 

interview, first day of work, or an introductory meeting with a new client or friend.  Reference from: https://belmonili.com/blogs/bel-monili/african-turquoise