This is a beautiful thumbnail size Spinel from Mahenge, Morogoro Region, Tanzania. This crystal has a distinct purple hue with pink marbling.
Crystal Dimension: 2.2 cm (0.89”) x 2.4 cm (0.96”)
Crystal Weight: 14.6 grams
Spinel is a mineral that owes its beautiful color to chromium, much like rubies and emeralds do.
The chemical formula for Spinel is: