Aquamarine gemstone on Cleavelandite from Pakistan

Aquamarine gemstone on Cleavelandite from Pakistan.
 
Superb gemmy crystal! (note crystal cracked and replaced)
 
Video: https://www.youtube.com/watch?v=t0k4tIiyNNc&ab_channel=RockMineralValley
 
Provenance: Nagar Valley, Skardu, Pakistan 
Size: 8.5 cm by 5 cm by 3 cm for 130gr
Aquamarine crystal size: 2.1 cm by 1.7 cm by 1cm
Chemical Formula: Be3Al2Si6O18
Crystal system: hexagonal
Hardness Mohs scale: 7.5 to 8
 
Definition:
A transparent, light-blue, seawater-like variety of beryl, similar in appearance to topaz. It is a fine stone, also called a semi-precious stone.
It can be found in various forms, such as crystal clusters, crystals, rough or polished pebbles, spheres or eggs, and jewelry.