Hornblende is a dark green, brown or black mineral that is moderately hard and shiny. The stubby crystals are often heavy and may be translucent along the edges.
An information card with details on the mineral formation, 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 crystal shape.
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years.
May have sharp edges.