This is a beautiful thumbnail size Spinel with a blue accessory crystal inside from Mahenge, Morogoro Region, Tanzania.
Colour pops when illuminated with UV light (see video for reference)
Crystal Dimension: 2cm (0.7”) x 1.5cm (0.5”)
Perky Display Box Dimension:
3.5cm (1.3”) x 3.5cm (1.3”)
Crystal Weight: 8.4 grams
Spinel is a mineral that owes its beautiful color to chromium, much like rubies and emeralds do.
The chemical formula for Spinel is: