Polished natural obsidian cube with a vibrant iridescent finish, perfect for spiritual healing and bohemian decor.
Polished natural obsidian cube with a vibrant, iridescent rainbow finish for spiritual grounding and bohemian decor.
Polished 2-3cm natural obsidian cube with a vibrant iridescent finish, perfect for spiritual healing and boho decor.
Polished natural obsidian cubes featuring a vibrant, iridescent rainbow finish for spiritual energy and bohemian decor.
Polished natural obsidian cubes with a vibrant, iridescent rainbow finish for spiritual healing and bohemian decor.
Polished natural obsidian cube with a vibrant iridescent finish, perfect for spiritual healing and bohemian decor.

Aura-Coated Black Obsidian Crystal Carved Cube

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Size chart

Not sure which crystal cube size is right for you? Use this guide as a general reference. Weight estimates are approximate and vary based on the density of each crystal type.

Crystal cube size comparison chart showing six sizes from Mini 13-19mm to Jumbo 64-76mm in different crystal materials

Crystal Cube Size Chart

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

Size Dimensions (in) Dimensions (mm) Approx. Weight
Mini 0.5" – 0.75" 13–19 mm 5–10 g
Small 0.75" – 1" 19–25 mm 15–25 g
Medium 1" – 1.5" 25–38 mm 35–60 g
Large 1.5" – 2" 38–50 mm 80–150 g
Extra Large 2" – 2.5" 50–64 mm 180–280 g
Jumbo 2.5" – 3" 64–76 mm 320–450 g
Premium 3" – 3.5" 76–89 mm 500–700 g
Deluxe 3.5" – 4" 89–102 mm 750–1,000 g
Collector's 4"+ 102 mm+ 1,000 g+

Choosing the Right Size

  • Mini – Small (13–25 mm): Perfect for pockets, pouches, travel, and small altar arrangements.
  • Medium – Large (25–50 mm): The most popular range. Great for desks, shelves, and crystal grids.
  • Extra Large – Jumbo (50–76 mm): Eye-catching display pieces. Ideal for living rooms and healing spaces.
  • Premium – Collector's (76 mm+): Statement and collector pieces. Significant weight — plan your display accordingly.

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

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Estimated delivery: Thursday, October 08 – Monday, October 12

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Dark obsidian beneath a luminous aura coating gives this carved cube a play of color as you turn it in the light. Set it on a desk, shelf, or altar as a small visual cue to pause and take in the moment.

Product Highlights

  • Stone: black obsidian, carved into a polished cube with an applied aura coating. The colorful finish is a treatment, not a natural color of obsidian.
  • Choose a 30 mm or 40 mm size option. Random Pick: You will receive one cube selected from the size option you choose; the coating and natural stone may vary in appearance.
  • Explore more in the Obsidian Crystals collection.
  • Chakra association: Root Chakra.

Chakra Connection

Obsidian is traditionally associated with the Root Chakra. You might use the cube as a reminder to slow down and find a grounded moment. The aura coating changes its appearance, not the personal nature of that practice.

How to Use

  • Set it on a desk as a cue to pause between tasks.
  • Hold it gently during a few quiet breaths.
  • Place it on an altar alongside objects meaningful to you.
  • Turn it in the light to enjoy the finish and geometric shape.

Crystal Care

Wipe gently with a soft, dry cloth. Avoid abrasives, harsh cleaners, soaking, and hard impacts to help protect the coating and prevent chips. Store it separately from harder stones.

FAQs

What sizes are available?

The listed options are 30 mm and 40 mm. Select the size you prefer before adding it to your cart.

Is the colorful finish natural?

No. The aura coating is applied to black obsidian; the shifting color is not the stone's natural color.

Will every cube look the same?

Variations in the stone and applied finish can give each cube a slightly different appearance.

Where could I place it?

A desk, shelf, or personal altar makes a simple place to enjoy its shape and finish.

How should I clean it?

Use a soft, dry cloth and avoid abrasive products or soaking.

What Is Obsidian?

Obsidian is natural volcanic glass formed when lava cools rapidly. This cube is carved from obsidian and finished with an applied aura coating for its colorful sheen.

Further Reading

Learn about the underlying stone in our Obsidian Crystal Guide.

Choose the size that fits your space and enjoy the meeting of dark stone and luminous color.

  • 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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