Polished deep black Obsidian Sphere, 50-60mm, radiating grounding and protective energy.
Deep black, polished Obsidian Sphere (50-60mm) reflecting light, radiating grounding and protective energy.
Deep black, polished Obsidian Sphere (50-60mm) reflecting light, radiating grounding and protective energy.
Deep black, polished Obsidian Sphere 50-60mm, reflecting light with a liquid quality, radiating grounding energy.

Black Obsidian Crystal Sphere Polished Volcanic Glass

Regular price$29.99
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Size chart

Not sure which crystal sphere size is right for you? Use this guide to find your perfect fit. Weight estimates are approximate and vary based on the density of each crystal type. This guide covers sizes up to our largest available sphere at ~10 kg.

Crystal sphere size comparison chart showing sizes from 50mm to 200mm with sports ball references

Crystal Sphere Size Chart

All weights are estimates based on average crystal density. Actual weight may vary by stone type.

Diameter (inches) Diameter (mm) Approx. Weight
1 in. 25.4 mm ~100–150 g
2 in. 50.8 mm ~300–400 g
3 in. 76.2 mm ~600–800 g
4 in. 101.6 mm ~1,000–1,200 g
5 in. 127 mm ~1,500–1,800 g
6 in. 152.4 mm ~2,200–2,500 g
7 in. 177.8 mm ~3,000–3,500 g
8 in. 203.2 mm ~4,000–4,500 g
9 in. 228.6 mm ~5,000–5,500 g
10 in. 254 mm ~6,000–6,500 g
11 in. 279.4 mm ~7,000–7,500 g
12 in. 304.8 mm ~8,000–8,500 g
13 in. 330.2 mm ~9,000–9,500 g
14 in. 355.6 mm ~10,000–10,500 g

Real-World Size Reference

  • 40 mm — About the size of a ping pong ball
  • 60 mm — About the size of a billiard ball
  • 95 mm — About the size of a baseball
  • 200 mm — About the size of a bowling ball
  • 240 mm — About the size of a basketball

Choosing the Right Size

  • 50–80 mm: Ideal for holding during meditation, carrying in a bag, or placing on a small altar.
  • 100–120 mm: The most popular display size. Great for desks, shelves, and nightstands.
  • 150–200 mm: A striking centerpiece for living rooms, healing spaces, or crystal grids.
  • 200 mm+: Collector and statement pieces. Significant weight — plan your display accordingly.

All measurements are approximate. Natural crystals vary in weight based on stone density and formation. Each sphere is unique.

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There's something almost hypnotic about a polished Black Obsidian sphere. The surface catches light with a liquid, mirror-like quality, and the deeper you look, the more you feel it looking back. This is volcanic glass formed in an instant, silica-rich lava cooled so fast that no crystal structure had time to develop, leaving behind something smooth, dense, and utterly still. The sphere form takes that energy and radiates it in every direction equally, creating a continuous field of grounding and protection that fills the space around it. These are genuine Black Obsidian spheres, each polished to a flawless, even finish that maximizes the stone's characteristic deep black luster.

Product Highlights

  • Genuine Black Obsidian sphere, polished to a smooth, mirror-like finish
  • Deep black volcanic glass with a naturally occurring conchoidal fracture pattern
  • Activates the Root Chakra for grounding, protection, and negative energy transmutation
  • Truth-revealing stone: surfaces hidden patterns and unconscious beliefs for examination and release
  • Sphere form radiates protective and grounding energy equally in all directions
  • This product is an exact pick as pictured, one of a kind.
  • Display on a stand, altar, or sacred space as a continuous protective anchor

Chakra Connection

Black Obsidian resonates deeply with the Root Chakra, the energetic foundation that governs your sense of safety, stability, and belonging in the physical world. When the Root Chakra is clear and grounded, everything else has a solid base to build from. Obsidian works here by actively drawing out accumulated negative energy, psychic debris, and the kind of low-grade heaviness that builds up without a clear source. The sphere shape amplifies this by radiating that cleansing, protective field in all directions rather than focusing it in a single point, making it one of the most effective forms for ambient space clearing and continuous energetic protection.

How to Use Your Obsidian Sphere

  • Display in a living room, bedroom, or entryway as a continuous protective and grounding anchor for the space
  • Hold during meditation for deep Root Chakra activation, grounding work, and shadow integration
  • Place near the front door or threshold to create a protective energetic boundary at the entry point of your home
  • Use as the central stone in a protection crystal grid, paired with Black Tourmaline at the corners
  • Pair with Selenite nearby to balance its intense absorbing energy with light and clarity
  • Cleanse regularly with sage or sound, as Obsidian is an active absorber and benefits from frequent clearing

Crystal Care

Obsidian is water-safe for brief rinsing but avoid prolonged soaking, as extended water exposure can dull the polished surface over time. Limit direct sunlight to preserve the natural luster. Because Black Obsidian is an active absorber of negative energy, it benefits from more frequent cleansing than most stones. Smudge with sage or palo santo, use sound cleansing with a singing bowl, or place near Selenite overnight to clear and reset its energy. Handle with care, as Obsidian has a conchoidal fracture and can develop sharp edges if chipped.

Frequently Asked Questions

Is this genuine Black Obsidian?
Yes. This is natural volcanic glass, not dyed or synthetic material. Genuine Obsidian has a characteristic deep, uniform black color, a smooth conchoidal fracture pattern, and a glass-like luster when polished. It is not technically a mineral but a mineraloid, formed when silica-rich lava cools too rapidly for a crystal structure to develop.

What chakra does Black Obsidian work with?
Black Obsidian resonates primarily with the Root Chakra, supporting grounding, protection, and the transmutation of negative energy. It's one of the most consistently recommended stones for clearing the aura and establishing a strong energetic foundation.

What crystals pair well with Black Obsidian?
Black Tourmaline deepens its protective qualities and adds an additional layer of EMF shielding. Smoky Quartz complements its grounding and transmuting energy with a gentler, more diffuse vibration. Clear Quartz amplifies all of its properties and adds clarity to the protective field.

How often should I cleanse my Obsidian sphere?
More often than most stones. Because Obsidian actively absorbs negative energy, it fills up faster than stones that simply hold or emit energy. A weekly cleanse with sage, sound, or proximity to Selenite is a good baseline, with more frequent clearing if you're using it in a high-traffic space or during emotionally intense periods.

What Is Black Obsidian?

Obsidian is one of those stones that doesn't fit neatly into the usual categories. It's not technically a mineral because it has no regular crystal structure. It's volcanic glass, formed when silica-rich lava cools so rapidly that atoms don't have time to arrange themselves into a lattice. The result is an amorphous, glass-like material with a smooth, conchoidal fracture and a deep black color that comes from iron and magnesium in the original lava. It has a Mohs hardness of 5 to 5.5 and is found in volcanic regions worldwide, with notable deposits in Mexico, the United States, Iceland, and Japan. Humans have used it for tens of thousands of years, first as a cutting tool (its fracture produces edges sharper than surgical steel), then as a mirror for scrying and divination, and now as one of the most widely used stones in crystal healing and energetic protection work. In metaphysical practice, it's considered a truth-revealing stone that brings hidden patterns, unconscious beliefs, and unresolved emotional material to the surface for examination and release. It's not always a comfortable stone to work with, but it's one of the most honest.

Learn More About Black Obsidian

If you're drawn to stones that work quietly but deeply, Black Obsidian is worth spending time with. Browse our full collection of crystal spheres, explore our protection crystals, or find more stones for grounding and stability to build out your practice.

  • Free shipping on orders over $100.00 within the United States.
  • We strive to process and ship orders within 1-2 business days
  • Estimated delivery time is typically Within 7 days, though it may vary based on the destination

We appreciate your patience and understanding as we work diligently to deliver your order promptly and securely. For any further assistance or inquiries regarding shipping, please feel free to reach out our customer support team.

Each crystal is natural and unique, with no two crystals being identical. Some crystal may contain naturally formed cracks within itself, not caused by other objects.

Please note that size, color, and patterns may vary due to the different batches of crystals and its natural inclusions, or hand measurements.

You can always reference the Size Chart on every product page to translate grams to pounds and ounces, and, millimeters and centimeters to inches.

Thank you for understanding and enjoying all the wonders of crystals.

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