Smoky Dog Tooth Calcite is a striking type of calcite known for its unique "dogtooth" crystal formation, featuring sharp, pointed crystals that resemble the teeth of a dog, along with a smoky or brown hue. This eye-catching look results from impurities within the calcite's crystal lattice, which may incorporate organic materials or other minerals. Collectors highly value Smoky Dog Tooth Calcite specimens for their visual allure and the distinctive interplay of shape and color they present.