Other gems

Bloodstone, Larimar and Unakite
Larimar is a scientist whose power is control over gases. She taught Unakite science when they met on earth

Just a picture from Tanzanite's backstory featuring Howlite and Bull's Eyes and some background Amethysts, Heliotropes, Citrines, Jaspers, Ametrines, Carnelians and Nephrites