As with all of Mother Nature's creations, the appearance will vary, but the item you receive will be similar in quality to the photos above.
Calcite is a common mineral; it occurs in many forms and colors. Calcite is best recognized for its relatively low Mohs hardness (3), its high reactivity with weak acids (like vinegar), and perfect rhombohedral cleavage.
Mineralogy: Calcite (calcium carbonate) is a very common and diverse mineral found in a wide variety of environments. It usually has metamorphic or sedimentary origins, more rarely igneous. Calcite is also a common biomineral and makes up the shells of many marine organisms.
Metaphysical Properties: Calcite is thought to increase and amplify energy, and can be used to bring focus and enhance memory. Calcite is believed to be an excellent mineral to dispel negativity while also creating joyous, sacred space.