It is one of just a few blue gemstones. Tourmaline indicolite and paraíba aquamarine. Iolite is a clear but dark blue or purple stone that is best suited to jewelry and that is highly polished to a sheer finish.
It is one of just a few blue gemstones. Tourmaline indicolite and paraíba aquamarine. Iolite is a clear but dark blue or purple stone that is best suited to jewelry and that is highly polished to a sheer finish.