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Crystal meanings
Black Obsidian
Black Obsidian is natural volcanic glass, not a crystal, usually glossy black. Polished obsidian was used for mirrors by the Aztecs; one such mirror, associated with the Elizabethan scholar John Dee, is in the British Museum. In modern practice obsidian is linked with protection and honest self-reflection.
Key facts
| Colour | glossy black |
|---|---|
| What it is | natural volcanic glass, not a crystal |
| Hardness (Mohs) | 5–5.5 |
| Typical sources | Mexico and volcanic regions worldwide |
| Chakra (tradition) | root |
| Star signs (tradition) | Scorpio and Sagittarius |
Traditions and folklore
Polished obsidian was used for mirrors by the Aztecs; one such mirror, associated with the Elizabethan scholar John Dee, is in the British Museum. In modern practice obsidian is linked with protection and honest self-reflection.
Obsidian blades can be sharper than surgical steel, which is why it was prized for tools.
Often paired with clear quartz or selenite.
Care
Wipe with a soft, slightly damp cloth and dry it straight away; avoid soaps, salt and long soaks. Obsidian is glass, so it can chip if knocked.
Natural volcanic glass formed when lava cools very quickly.
Shop black obsidian (9 pieces, 8 in stock)
Black Obsidian: questions answered
What is Black Obsidian?
Black Obsidian is natural volcanic glass, not a crystal. It is usually glossy black.
What is Black Obsidian traditionally associated with?
Polished obsidian was used for mirrors by the Aztecs; one such mirror, associated with the Elizabethan scholar John Dee, is in the British Museum. In modern practice obsidian is linked with protection and honest self-reflection. These are traditional and spiritual associations, not health claims.
How do I care for Black Obsidian?
Wipe with a soft, slightly damp cloth and dry it straight away; avoid soaps, salt and long soaks. Obsidian is glass, so it can chip if knocked.
Which star signs is Black Obsidian linked with?
In modern crystal tradition black obsidian is linked with Scorpio and Sagittarius.
Where does Black Obsidian come from?
It is typically sourced from Mexico and volcanic regions worldwide.