Naturally occurring sodium bicarbonate (baking soda), often forming white efflorescent crusts. It's a purifying and balancing stone, believed to neutralize negativity and promote clarity.
Colorless, White, Grey, Brown, often forms efflorescent crusts
Nahcolite is classified as a carbonate mineral mineral which typically crystallizes in the monoclinic system. Its chemical formula is Sodium bicarbonate (NaHCO3). Common crystal habits include elongated crystals, fibrous masses, friable porous aggregates.