These Large African Tumble Stones feature grey agate sourced from Botswana, known for its fine banding and subtle hues. Carefully polished to reveal a smooth, lustrous surface, each stone highlights natural patterns unique to the region. Ideal for collectors and practitioners seeking stones with grounding and calming properties, these agates make a refined addition to any mineral collection or holistic practice. Their substantial size emphasizes both aesthetic presence and tactile engagement.