The stone library
Black agate
Black chalcedony, occasionally with faint grey banding under strong light.
Facts
- Family
- Stone
- Origin
- Brazil · Botswana
- Hardness (Mohs)
- 6.5–7
What tradition holds
Traditionally paired with tiger eye to hold its momentum in place.
Associations recorded here are cultural and historical. They are offered as meaning, not as promises.
Care
Durable; wipe with a soft cloth.
