• Representative polished black stones sold as Black Obsidian; shape, translucency, polish, and size vary
  • Pile of polished jet-black Obsidian tumbled stones with glossy reflections on a matte black surface
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Tumbled StoneAvailability shown below

Black Obsidian Tumbled Stone – Silicic Volcanic Glass

Polished black volcanic-glass trade stone, supplier-listed at approximately 1 inch

$1.95
Shipping calculated at checkout.
  • One randomly selected polished stone
  • Sold as Black Obsidian
  • Silicic volcanic-glass classification disclosed
  • Supplier lists approximately 1 inch
  • Supplier lot states approximately 40–50 pieces per pound
  • Identity, treatment, locality, and natural origin are undocumented
Ritual focusGrounding symbolism, boundaries, reflection, release, shadow work, and protection imagery

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Product Information

About This Item

Black Obsidian Tumbled Stone – Silicic Volcanic Glass includes one randomly selected polished black stone from a supplier lot described as approximately 1 inch for collecting, carrying, display, meditation, or symbolic ritual use. Obsidian is natural silicic volcanic glass and a rock rather than a mineral species, but this listing has no item-level report confirming identity, natural origin, treatment, mine locality, or country of origin. Black-to-dark-brown or gray tone, translucency at thin edges, microscopic bubbles or inclusions, shape, polish, size, pits, scratches, chips, and surface features vary.

Specimen Details
Material status
Material identity not independently verified
Treatment
Treatment status not documented

Treatment notes

The supplier identifies the lot as Black Obsidian. No item-level documentation confirms natural silicic volcanic glass, untreated status, natural black color, coating, coloring, glass substitution, composite construction, or another treatment.

Observable stone characteristics

The supplier lists Black Obsidian at approximately 1 inch and 40–50 pieces per pound. No standardized grade, item-level identity report, treatment disclosure, individual weight, mine locality, or origin documentation is provided.

Condition notes

Tumbled and polished piece. Small pits, flat areas, microscopic bubbles or inclusions, scratches, edge variation, chips, and polish differences may occur. Do not handle against the body if chipped.

What contributes to this piece’s value

  • Deep black appearance
  • Polish
  • Surface condition
  • Shape
  • Size
  • Translucency or inclusions
  • Absence of chips
  • Verified natural origin
Mineral Profile

Black obsidian is a naturally occurring silicic volcanic glass and a glassy igneous rock rather than a mineral species. It commonly has vitreous luster and conchoidal fracture. This shared profile does not verify the identity, natural origin, treatment, or locality of a particular retail stone.

Stone or material
Black Obsidian — Silicic Volcanic Glass
Mineral species
Not a mineral species; silicic volcanic glass
Variety or trade name
Black Obsidian
Chemical formula
Variable silica-rich glass composition
Mohs hardness
Approximately 5–5.5; composition dependent
Luster
Vitreous
Transparency
Opaque, Translucent at thin edges
Typical colors
Black, Dark brown, Dark gray
Mineral class
Glassy igneous rock
Crystal system
Amorphous

Geology and formation

Obsidian forms when silica-rich lava cools rapidly enough to inhibit extensive crystal growth, producing natural volcanic glass. Microscopic bubbles and mineral inclusions can influence color and appearance.

Metaphysical Correspondences

In contemporary Western crystal and occult practice, black obsidian is commonly associated with grounding, boundaries, reflection, release, shadow work, and protection symbolism. These are symbolic practitioner correspondences and do not guarantee protection, truth revelation, cleansing, healing, or supernatural results.

Traditional themes
Grounding symbolism, Boundaries, Reflection, Release and shadow work, Protection symbolism
Primary element
Earth
Additional elements
Fire
Planets
Saturn, Pluto
Zodiac
Scorpio, Capricorn
Chakras
Root
Energy character
Grounding, Containing, Reflective
Days
Saturday
Lunar associations
Dark Moon
Tarot
The Devil, Death

Traditional ritual applications

Practitioners may carry, hold, display, or place black obsidian in a contained altar arrangement as a symbolic focus for boundaries, release, journaling, reflection, shadow work, or protection intentions. No emotional, medical, protective, divinatory, or supernatural result is guaranteed.

Traditional pairings

Candle colors
Black, Dark red, White

Tradition and source notes

Earth, Fire, Saturn, Pluto, the Root chakra, Saturday, and dark-moon or shadow-work themes recur in modern Western systems. Assignments vary and are presented as contemporary symbolic practice rather than mineralogical properties or historical consensus.

About traditional correspondences: Metaphysical, astrological, elemental, chakra, and ritual associations vary among traditions and practitioners. They are presented for cultural, symbolic, and spiritual reference and are not scientific or medical claims.

Working With & Caring for This Stone

When practitioners may choose it

Choose Black Obsidian as a symbolic focus for grounded reflection, boundary-setting, release, journaling, shadow-work practice, or protection intentions.

Traditional role in practice

Contemporary Western crystal practice associates Black Obsidian with grounding, boundaries, reflection, release, shadow work, and protection symbolism. These meanings do not guarantee protection, truth revelation, cleansing, healing, emotional change, or supernatural results.

Suggested application

Carry in a secure pouch, hold carefully during reflection or journaling, or place in a contained grid, altar, desk, or display arrangement.

Commonly paired with

Pairs naturally with grounding, boundary, release, reflection, journaling, shadow-work, or protection symbolism. Do not use a chipped stone against the body or place it in elixirs, drinking water, or internal applications.

Product care

Wipe with a soft dry or slightly damp cloth and dry promptly. Avoid drops, hard impacts, scraping, abrasive cleaners, sudden temperature changes, high heat, steam, and ultrasonic cleaning. Store separately to reduce chipping and scratching.

Safety and handling

Obsidian can chip into extremely sharp glass edges. Inspect before handling and isolate damaged pieces. Do not knap, cut, grind, drill, sand, or crush without professional fragment, eye, and dust controls. Do not ingest or place in drinking water. Keep small stones away from children and pets.

Natural variation

Black-to-dark-brown or gray tone, translucency at thin edges, microscopic bubbles or mineral inclusions, shape, size, polish, pits, scratches, chips, and surface character vary by stone.