Volcanic Rock

Nebula Stone

The Cosmic Pattern

Dark Green-Black with Light Green Orbicular Patterns

Quick Facts

FormulaVariable (quartz + aegirine + riebeckite + anorthoclase + arfvedsonite)
SystemN/A (rock, multiple minerals)
LusterVitreous to Waxy
StreakN/A (rock)
TransparencyOpaque
Sp. Gravity2.80
Mohs Hardness
6.5

Formation & Origin

Nebula stone is an extremely rare volcanic rock discovered in the 1990s by Ron and Karen Nurnberg. The exact locality is kept secret (somewhere in Mexico), and the Nurnbergs control virtually the entire supply. This makes nebula stone one of the most geographically restricted collectible rocks.

The stone's distinctive feature is its green orbicular (eye-like) patterns against a dark matrix - the orbs are composed of a unique combination of quartz, aegirine, riebeckite, and anorthoclase feldspar. The spherical patterns formed through a rare process where multiple minerals crystallized radially outward from nucleation points within the volcanic rock, creating green 'nebulae' against the dark groundmass.

What makes nebula stone genuinely unusual from a geological perspective is the specific mineral combination in its orbs - the coexistence of these particular minerals in spherulitic form within a single volcanic rock is essentially unique to this one deposit.

Identification Guide

Nebula stone is identified by its dark green-black matrix with distinctive lighter green orbicular (eye-like) patterns. At hardness 6-7, it's moderately hard and takes a good polish. The orbs typically range from a few millimeters to about 1 centimeter.

Distinguish from ocean jasper (more colorful, more varied orb colors), kambaba jasper (similar dark green with circles, but different mineral composition - fossilized algae), and serpentine with eye patterns. Nebula stone's specific dark-on-dark green pattern with sharply defined orbs is distinctive.

Spotting Fakes

Because of controlled supply, most nebula stone on the market is genuine. The main concern is kambaba jasper or other orbicular rocks being sold under the nebula stone name at inflated prices. Genuine nebula stone has a specific mineral composition verifiable by testing, and its orbs have a distinctive clarity and definition. The controlled supply also means prices are relatively standardized.

Cultural & Metaphysical Traditions

Presented as cultural traditions, not scientific evidence

Nebula stone's cosmic appearance (the orbs genuinely resemble galactic nebulae) has made it a favorite for practitioners working with connection to universal consciousness and cosmic energy. Its rarity and mysterious origin add to its perceived power. Modern practitioners associate it with awakening to one's purpose, connecting to the vastness of existence, and grounding cosmic awareness into practical action.

Where It's Found

Mexico - Specific locality kept confidential by discoverer

The only known source, location undisclosed

Price Guide

Entry$10-30 tumbled
Mid-Range$30-100 polished pieces
Collector$100-400+ larger specimens

Good to Know

๐Ÿ’Ž

Scratch test: At hardness 6.5, Nebula Stone resists scratching from a knife but can be scratched by quartz. Best for pendants and earrings rather than rings.

๐ŸŒ

Sources: Found at only one location on Earth - Mexico. Supply is inherently limited.

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Heft test: Nebula Stone has average mineral density (2.80). It feels about as heavy as you'd expect from a stone its size.