Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball
Volcanic Agate Sphere | UV Reactive Crystal Ball

Volcanic Agate Sphere | UV Reactive Crystal Ball

Regular price$81.99
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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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Hold this Volcanic Agate Sphere under a UV light and watch it transform. What appears as a richly banded, earthy sphere in natural light reveals hidden fluorescent colors under ultraviolet — a phenomenon born from millions of years of volcanic activity, silica-rich fluid movement, and mineral layering deep within the earth. No two spheres are alike. Each one is a geological fingerprint.

Formed from ancient lava flows where silica-rich fluids slowly filled cavities in volcanic rock, Volcanic Agate develops its signature concentric banding through repeated mineral deposits over vast stretches of time. The result is a stone that carries both the raw power of fire and the patient precision of water — grounding and transformative in equal measure.

Crystal Highlights

  • Type: Volcanic Agate (UV Reactive)
  • Form: Hand-polished sphere
  • UV Property: Fluoresces under ultraviolet light
  • Mohs Hardness: 6.5 to 7
  • Select your sphere: Choose from 33 individually photographed pieces, each with its own weight, banding pattern, and character
  • Exact pick: What you see is what you receive

Metaphysical Properties

  • Transformation: Volcanic Agate carries the energy of fire and rebirth. It supports major life transitions, helping you release what no longer serves and step boldly into new chapters.
  • Grounding: Despite its fiery origins, this stone is deeply stabilizing. It anchors scattered energy and promotes emotional steadiness during turbulent times. Works with the Root Chakra and Sacral Chakra.
  • Courage & Strength: Known to activate inner fortitude, Volcanic Agate is a companion for those facing fear, self-doubt, or the need to take bold action.
  • Solar Plexus Activation: Its fiery energy resonates with the Solar Plexus Chakra, supporting personal power, confidence, and decisive action.
  • UV Magic: The fluorescent quality adds an element of hidden depth — a reminder that there is always more beneath the surface than what is immediately visible.

How to Use This Sphere

  • Meditation: Cup the sphere in both hands during grounding or transformation meditations. Its weight and smooth surface make it ideal for tactile focus work.
  • Crystal Grids: Place at the center of a transformation or courage grid. Pair with Black Tourmaline for protection, Carnelian for motivation, or Citrine for abundance.
  • Display: A stunning conversation piece in any room. Under natural light it shows rich earthy banding; under UV it glows. Keep a small UV flashlight nearby for guests.
  • Altar Work: Use as a focal point for fire element rituals, new moon intentions, or transformation ceremonies.
  • Desk Anchor: Place on your workspace as a grounding presence during high-pressure projects or periods of change.

Crystal Care

  • Cleansing: Safe to cleanse with sound (singing bowl), moonlight, or a Selenite charging plate.
  • Water: Generally water-safe for brief rinsing. Avoid prolonged soaking.
  • Sunlight: Limit direct sunlight exposure to preserve the natural color and UV reactive properties.
  • Charging: Place on a Selenite slab overnight or set under a full moon.
  • Storage: Store on a sphere stand or soft cloth to prevent rolling and surface scratches.

Frequently Asked Questions

What makes this sphere UV reactive?

The fluorescence is caused by trace minerals within the agate that absorb ultraviolet light and re-emit it as visible light. The specific minerals responsible vary by specimen, which is why each sphere fluoresces with slightly different colors and intensity.

Do I need a UV light to enjoy this sphere?

Not at all. Under natural or ambient light, this sphere is a beautiful display piece with rich volcanic banding and earthy tones. The UV reactivity is a bonus feature that adds an extra dimension of wonder.

How do I choose my sphere?

Each of the 33 spheres is individually photographed and numbered. Select your preferred piece by number from the variant selector. The photos show the exact sphere you will receive, including its unique banding, color, and character.

What crystals pair well with Volcanic Agate?

Black Tourmaline deepens its grounding energy, Carnelian amplifies its fire element courage, and Clear Quartz magnifies its transformative properties. For chakra work, pair with Solar Plexus stones like Citrine or Tiger's Eye.

Is Volcanic Agate the same as regular Agate?

Volcanic Agate is a variety of chalcedony agate that formed specifically in volcanic environments. Its formation process gives it a more dramatic banding pattern and often more intense color variation compared to sedimentary agates. The UV reactivity is also more common in volcanically-formed agates due to their unique mineral composition.

Is this suitable as a gift?

Absolutely. The UV reactive feature makes it a genuinely surprising and memorable gift. It arrives as a beautiful natural sphere and reveals its hidden glow under UV light, making it a two-in-one experience that delights crystal lovers and non-collectors alike.

Final Thoughts

The Volcanic Agate Sphere is one of those rare pieces that works on multiple levels: as a grounding meditation tool, a bold display piece, a transformation talisman, and a conversation-starting UV light show. Whether you are drawn to its fire element energy or simply captivated by its hidden fluorescence, this sphere brings something genuinely unique to your collection.

Browse all 33 individually photographed spheres and choose the one that calls to you. Each piece is a one-of-a-kind geological event, millions of years in the making. Explore our full sphere collection for more hand-selected crystal spheres.

This product is an exact pick as pictured, one of a kind.

  • 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 12-16 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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