Marble is a coarse-grained metamorphic rock that can be many colors, including white, pink, yellow, brown, green or black. The original rock type was limestone. Because the parent rock, limestone, is composed of calcite, marble with also react to and dissolve in acids. White marble is a common material for statues.
An information card with details on the rock formation, mineral content, characteristics, and uses is included. Typical samples sizes are generally 1-2 inches in length or width but can vary based on availability and natural formation.
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years.
May have sharp edges.