Obsidian (Black): Volcanic glass of protection and honest self‑reflection
Volcanic glass of protection and honest self‑reflection.

🪨Origins & Formation
A natural glass formed when lava cools rapidly without crystallizing.
Chemical formula: Volcanic glass (amorphous)
Crystal system: Amorphous
Mohs hardness: 5–5.5
Color range: Black to smoky; vitreous luster
🌍Where It’s Found
- Mexico: classic artifacts and blades
- Iceland & Italy: prominent volcanic fields
- USA: Pacific Northwest obsidian flows
📜History & Cultural Significance
Used in ritual mirrors and blades across Mesoamerica; modern lore emphasizes cutting through illusion.
🧘Chakra Connection
Aligns with the Root chakra for protection and grounding.
- Root: Grounding, shadow work, safe boundaries.
💫Tarot Connection
Tarot ties emphasize transformation and truth:
- Death: Release and renewal.
- The Devil: Facing attachments and patterns.
♒Zodiac & Astrology
Often linked to introspective signs:
- Scorpio: Depth and transformation.
- Capricorn: Endurance and realism.
Color varieties have nuanced meanings.
✨Healing Properties & Symbolism
- Protection: Worn or placed by doors for shielding.
- Truth: Aids honest self‑assessment and boundaries.
- Release: Supports letting go of dense emotions.
These qualities reflect traditional lore and spiritual practices and are not medical claims.
🧭Everyday Uses & Care
- Jewelry & decor: Wear or keep at thresholds.
- Meditation: Use for shadow work with grounding.
- Care tips: Robust – cleanse with smoke, sound, or dry salt.
⛰️Geological Context
Rapidly cooled felsic lava forming natural glass; varieties include snowflake, mahogany, and sheen obsidian.
🧪Scientific Properties
Refractive Index | ≈1.48–1.51 |
---|---|
Specific Gravity | ≈2.35–2.60 |
Luster | Vitreous; conchoidal fracture |
Cleavage | None |
Optical Properties | Amorphous volcanic glass; isotropic |
🤝Ethical Sourcing
Collected in volcanic fields; respect local regulations and cultural sites—buy from reputable sources.
🧤Safety & Handling
- Edges can be razor‑sharp—handle carefully.
- Brittle—avoid impacts and dropping.
- Clean with mild soap and water
- avoid ultrasonic.
🔎Similar Crystals
- Onyx glass (man‑made)
- Jet (organic)
- Black Tourmaline (striated)