Spinel, Mineral Specimen from Mahenge, Morogoro Region, Tanzania

This is a beautiful thumbnail size Spinel from Mahenge, Morogoro Region, Tanzania. This crystal is a rich pink.

Crystal Dimension: 1.9 cm (0.75”) x 1.4 cm (0.56”) 

Crystal Weight: 5.1 grams 

Spinel is a mineral that owes its beautiful color to chromium, much like rubies and emeralds do.

The chemical formula for Spinel is: 

MgAl₂O₄