Pistachio Calcite is a beautiful bright lime green to blue-green form of Green Calcite, found in Pakistan. Green-Calcite belongs to the mineral class of carbonate and is formed through sedimentation. The green colour is due to chlorite that got trapped during crystallization. It has a soothing light green shade, and the stone is translucent yet opaque, with banding of yellow, pale and darker greens, as well as pale green-blues. Metaphysical Properties of Pistachio Calcite: Heart & Throat Chakra, Peaceful communication, Patience through transition, Acceptance & insight, Innate healing abilities, Shift negative beliefs, Opening the heart, Emotionally cleansing, Connect to Nature, Energy amplifier, Clears stored energy, Reduce Fear Stress Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". Other polymorphs of calcium carbonate are the minerals aragonite and vaterite