Angelite is a relatively new crystal, discovered in Peru in 1987. It is also sometimes referred to as Blue Anhydrite. 

This Angelite polished heart is a peaceful crystal that embodies the gentle vibrations of your guardian angels. Working with this crystal infuses your spirit with serenity and positivity. It will heighten your awareness of the invisible world and remind you that angels are all around you. Just gazing at its heavenly blue hues invokes connection with the celestial realm.

The crystal pictured is the one you receive 

75.1g

44.9mm x 50.7mm x 21.8mm

All  measurements are approximate