Obsidian Spheres 50-60mm
Obsidian Spheres 50-60mm
Obsidian Spheres 50-60mm
Obsidian Spheres 50-60mm

Obsidian Spheres 50-60mm

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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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Black Obsidian is one of the most visually striking and energetically direct stones in the crystal world. The deep, mirror-like black surface of a polished Obsidian sphere reflects light with an almost liquid quality, and the sphere form radiates its grounding and protective energy equally in all directions. These Obsidian Spheres are available in sizes from 50mm to 60mm, each polished to a smooth, even finish that maximizes the stone's characteristic deep black luster. Exact pick per size selected.

What Is Obsidian?

Obsidian is a naturally occurring volcanic glass formed when silica-rich lava cools so rapidly that no crystal structure has time to develop. The result is an amorphous, glass-like material with a smooth, conchoidal fracture and a deep black color that comes from the presence of iron and magnesium in the lava. Obsidian 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. In crystal healing, Black Obsidian is one of the most consistently recommended stones for protection, grounding, and the transmutation of negative energy. It is considered a truth-revealing stone that brings hidden patterns and unconscious beliefs to the surface for examination and release.

Chakra Connection

Black Obsidian resonates with the Root Chakra for grounding, protection, and the transmutation of negative energy. It is one of the most effective stones for clearing the aura of accumulated negative energy, psychic debris, and the kind of low-grade energetic heaviness that builds up over time without a clear source. The sphere form radiates this protective, cleansing energy equally in all directions, creating a continuous ambient field of grounding and protection throughout the surrounding space.

How to Use Your Obsidian Sphere

Display in a living space, bedroom, or sacred area as a continuous protective and grounding anchor. Hold during meditation for Root Chakra activation and grounding work. Place near entryways to create a protective energetic boundary at the threshold of your space. Use in a crystal grid as a central protection and grounding stone. Cleanse regularly by smudging with sage as Obsidian is an active absorber of negative energy.

Product Highlights

  • Genuine Black Obsidian sphere, available in 50mm to 60mm (select from dropdown)
  • Deep, mirror-like black volcanic glass polished to a smooth, even finish
  • Activates the Root Chakra for grounding, protection, and negative energy transmutation
  • Truth-revealing stone: brings hidden patterns and unconscious beliefs to the surface for release
  • Sphere radiates protective, cleansing energy equally in all directions
  • Exact pick: each size is individually photographed, what you see is what you receive

Crystal Care

Obsidian is water-safe for brief rinsing. Avoid prolonged soaking. Limit extended direct sunlight to preserve the natural luster of the polished surface. Cleanse regularly by smudging with sage or palo santo, or use sound cleansing. Obsidian is an active absorber and benefits from frequent cleansing. Handle with care as Obsidian has a conchoidal fracture and can develop sharp edges if chipped.

Frequently Asked Questions

What is Obsidian made of?
Obsidian is a naturally occurring volcanic glass formed when silica-rich lava cools so rapidly that no crystal structure has time to develop. It is not technically a mineral but a mineraloid, an amorphous, glass-like material with no regular crystal structure.

What chakra does Obsidian work with?
Black Obsidian resonates with the Root Chakra for grounding, protection, and the transmutation of negative energy.

What crystals pair well with Obsidian?
Black Tourmaline deepens its protective qualities. Smoky Quartz complements its grounding and transmuting energy. Clear Quartz amplifies all of its properties.

  • Free shipping on orders over $100.00 within the contiguous United States.
  • Shipping times may vary depending on the product
  • We strive to process and ship orders within 2-3 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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