Exceptional Fire Opal "Dragon Egg" - Mexico 10.80 carats - NO RESERVE PRICE - Height: 16.1 mm - Width: 14.1 mm- 2.16 g - (1)

This exceptional natural Mexican fire opal of 10.80 carats offers a particularly spectacular presentation: a clear, almost spherical matrix opens to reveal a large cavity exposing a deeply saturated orange to orange-red opal core.

The arrangement of the precious material is remarkable, with a large central area accompanied by several opal outcrops visible through the matrix.

This architecture gives the impression of a true miniature opal geode of fire opal, where the mineral exterior hides a luminous, intensely colored material inside.

The simultaneous preservation of a substantial amount of matrix and such opal exposure gives this piece a strong mineralogical identity and makes it a particularly interesting specimen for the collection.

Characteristics

- Stone: Natural Mexican fire opal
- Type: Matrix fire opal
- Origin: Mexico
- Weight: 10.80 carats
- Dimensions: 16.1 × 14.1 × 6.8 mm
- Color: Intense orange to orange-red
- Matrix: Natural, cream to light beige
- Morphology: Rounded / ovoid
- Presentation: Opal preserved in its host rock
- Interest: Gemology, mineralogy and collection

An opening window onto the opal

The major peculiarity of this specimen lies in its spectacular central opening, which allows direct observation of a significant concentration of fire opal.
The opal displays a warm, particularly deep color, ranging from a rich orange to orange-red hues. Some peripheral zones, brighter, also take yellow-orange and honey tones.
The clear matrix plays a key role here: it naturally frames the color and creates a strong contrast that visually enhances the opal’s saturation.
Several small orange zones also appear around the main cavity, giving the impression that the opaline material continues further inside the specimen.

A particularly singular natural architecture

With a length of 16.1 mm and a weight of 10.80 carats, this piece has a substantial volume while retaining a compact and harmonious form.
The matrix is not merely present as a residue around the opal: it truly constitutes the specimen’s architecture. It forms an almost complete envelope around the precious material and thus allows the gem to be appreciated in a context much closer to its natural geological state.
The irregular boundary between the two materials is particularly aesthetic. Each contour, cavity and outcrop tells part of the opal’s growth within its host rock.

Mexico, emblematic provenance of fire opal

Mexico ranks among the world’s most famous historic sources for fire opal. Its deposits are closely associated with opals displaying extraordinary yellow, orange and red tones that gave this variety its name.
The history of Mexican opal goes back to pre-Columbian times, when these stones were already known and valued centuries before modern mining development. Their extraction then experienced a significant revival in the 19th century, contributing to the international diffusion of Mexican opals.
This long history, coupled with the spectacular character of stones from the country’s volcanic terrains, has made Mexico an essential provenance in the world of fire opal.

A testament to its geological history

The major interest of an opal preserved in its matrix is that it allows admiring far more than a mere gem: a portion of its geological history remains physically attached to the stone.
Mexican opals are notably associated with volcanic terrains in which silica-rich solutions circulated through fissures and cavities. Over time, silica deposits could form opal in these available spaces.
This specimen beautifully illustrates this phenomenon: the opal seems to occupy a true pocket at the heart of the matrix, today partially revealed by a wide opening.

A collectible piece with strong personality

The combination of an almost spherical shape, a weight exceeding 10 carats, a largely preserved natural matrix and a large cavity filled with orange opal creates a piece instantly recognizable.
Its appeal lies as much in the beauty of its color as in its architecture: unlike an opal that has been fully extracted and cut, this one still allows observing the dialogue between the gem and the rock in which it grew.

A remarkable natural Mexican fire opal in a 10.80-carat matrix, featuring a spectacular incandescent orange core within a natural mineral envelope—a singular piece marrying aesthetics, geological history, and collecting character.

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