This listing is for 1 kilo of tumbled stones. There are approximately 48 pieces per kilo. These are from Turkey. Blue Chalcedony is a stone of calm, communication, and emotional resilience. Known for its gentle, soothing energy, it is believed to encourage clear expression, reduce stress, and promote inner peace. Often used to open and balance the throat chakra, Blue Chalcedony is thought to support harmonious relationships, enhance patience, and foster a positive outlook. Scientifically, Blue Chalcedony is a microcrystalline form of quartz with the chemical formula SiO₂. It gets its color from the Tyndall effect, which is light scattering by colloid-sized particles. Blue Chalcedony has a Mohs hardness of 6.5 to 7. Keywords ~ Metaphysical Shop ~ Crystal Shop ~ Crystal Energy ~ Crystal Healing ~ Polished Crystals ~ Mineral Specimens ~ Witchy Shop ~ Witchcraft ~ Wholesale Crystals ~ Rock Shop ~ Tumble Stones