This is a “stock photo”.  We will select a cube for you that is very similar in detail and quality. :)

Pistachio Calcite facilitates physical healing by clearing negative emotions & encouraging relaxation. This stones green vibration opens your sacred heart to receive love from the spiritual realm & encourages tolerance, compassion, and understanding.

It's a strong stone of transformation, which assists  your mind to process any major changes you might be going through, including a complete overhaul of your life as well as traumatic, seemingly unwanted changes.