Bidhaa
- Alexandrite, mbaya
- Almasi, bort, carbonados
- Almasi, colorless, mbaya
- Almasi, rangi, mbaya
- Amber, mbaya
- Amethysts, mbaya
- Aquamarines, mbaya
- Beryl, mbaya
- Chrysoberyl, mbaya
- Citrine, mbaya
- Emiradi, mbaya
- Garnets, mbaya
- Jade, mbaya
- Johari, mbaya
- Lapis lazuli (lazurite), mbaya
- Malachite, mbaya
- Marijani, mbaya
- Moonstones, mbaya
- Opals, mbaya
- Peridot, mbaya
- Spinel, mbaya
- Tanzanite, mbaya
- Topazi, mbaya
- Tourmaline, mbaya
- Turquoise, mbaya
- Zircon, mbaya