Emeralds are considered to be quite rare and are highly prized for their beautiful green colour. They are often more valuable than other gemstones, such as diamonds or sapphires, and the value of an emerald can vary greatly depending on its quality and size, with larger and higher quality emeralds commanding the highest prices. Emeralds are relatively durable and hard, with a Mohs hardness rating of 7.5-8, making them suitable for everyday wear. However, they are more prone to chipping and scratching than some other gemstones, and they may require more careful handling. Emeralds are often associated with qualities such as love, hope, and rebirth, and they may be chosen for their calming and soothing appearance.