Staurolite is a reddish brown-colored mineral. These samples from Madagascar exhibit crystal twinning where two crystals grow together, yet at an angle to one another. Staurolite has a colorless streak, glassy to resinous luster, and has moderate to high hardness.
An information card with details on the mineral formation, characteristics, and uses is included. Typical samples sizes are generally 0.5 to 1.0 inches in length or width but can vary based on availability and natural crystal size.
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years.
May have sharp edges.