In what has proved to be the discovery of the largest known crystals on earth, work is underway to document and preserve this historic find. While some minor damage has already occurred in the primary cave and a secondary cavern, called Cave of Dreams, iron doors have been installed by the Peñoles company to prevent damage to the giant, magnificent crystals. While investigations are underway the mine is closed, but with the newly installed lighting system, it is expected to open in the fall 2001.

Found deep in a mine in southern Chihuahua Mexico, these crystals were formed in a natural cave totally enclosed in bedrock. When I first stepped into the cavern it was like walking into the Land of the Giants. I have often admired crystal geodes held in my hand, but when photographing these unique natural structures it was almost impossible to get any sense of scale. This is a geode full of spectacular crystals as tall as pine trees, and in some cases greater in circumference. They have formed beautiful crystals that are a translucent gold and silver in color, and come in many incredible forms and shapes. Some of the largest are essentially columnar in shape and stand thirty to fifty feet high and three to four feet in diameter. Many of the smaller examples are four to six feet in circumference, have many incredible geometrical shapes, and probably weigh in excess of ten tons. The columnar pillars are at first the most striking shape, but later I noticed there were thousands of "sharks teeth" up to three feet high placed row upon row and dispersed at odd angles throughout the caverns. While some of the crystals are attached to the ceiling walls and floors of the cave as might be expected, some exist in great masses of spikes and almost float in air. These crystals seem to defy gravity, as they must weigh several tons.

The crystal cavern was discovered within the same limestone body that hosts the silver-zinc-lead ore bodies exploited by the mine. The cavern was probably dissolved by the same hydrothermal fluids that deposited the metals with the gypsum being crystallized during the waning stages of mineralization. The crystals probably grew relatively quickly to their immense size within a completely liquid-filled cavern.

As a professional photographer who specializes in environmentally difficult, narrow and wet canyons worldwide, it was almost impossible to obtain clear photographs even using every trick and technique I know, because of the extreme ambient environment. These crystals are probably stable, as the temperature in the cave is over 150 degrees Fahrenheit with 100% humidity. In other words, these structures are enveloped in steam. As a photographer used to working in dark and dangerous environments, this experience was unique. A human can only function in this environment for six to ten minutes before severe loss of mental functions occurs. I was so excited while photographing the crystals that I really had to focus and concentrate intensely on getting back out the door, which was perhaps only thirty to forty feet away.

The Naica mine was first discovered by early prospectors in 1794 south of Chihuahua City. They struck a vein of silver at the base of a range of hills called Naica by the Tarahumara Indians. The origin in the Tarahumara language seems to mean "a shady place". Perhaps here in the small canyon there was a grove of trees tucked away by a small canyon spring.

From the discovery until about 1900, the primary interest was silver and gold. Around 1900 large-scale mining began as zinc and lead became more valuable.

During the Mexican Revolution the mine was producing a great deal of wealth. Revolutionary troops entered the town and demanded money from the owners. One of them was assassinated when he refused to pay, causing the mine to shut down from 1911 to 1922.

Just before the mine was closed, the famous Cave of Swords was discovered at a depth of 400 feet. Due to the incredible crystals, it was decided to try to preserve this cave. While many of the crystals have been collected, this is still a fascinating cave to visit. In one part there are so many crystals on one of the walls, they appear to be like an underwater reef moving in a gentle undulating motion in an ocean current.

In April 2000, brothers Juan and Pedro Sanchez were drilling a new tunnel when they made a truly spectacular discovery. While Naica miners are accustomed to finding crystals, Juan and Pedro were absolutely amazed by the cavern that they found. The brothers immediately informed the engineer in charge, Roberto Gonzalez. Ing. Gonzalez realized that they had discovered a natural treasure and quickly rerouted the tunnel. During this phase some damage was done as several miners tried to remove pieces of the mega-crystals, so the mining company soon installed an iron door to protect the find. Later, one of the workers, with the intention of stealing crystals, managed to get in through a narrow hole. He tried to take some plastic bags filled with fresh air inside, but the strategy didn't work. He lost consciousness and later was found thoroughly baked.

When entering the cave our group is issued helmets, lanterns, rubber boots, and gloves. We are then driven by truck into the main mining tunnel called Rampa Sn. Francisco. While the vertical drop is approximately 1000 feet, the drive is almost a half mile long. The heat steadily increases and the ladies could be observed to begin "glowing". The truck stops in front of a concrete wall with a steel door. I start working frantically to put the final touches on my pre-prepared camera outfit. I usually have four separate camera units, but they must be padded for the trip and then receive a last minute detail check. Every single item is preset before entering the cavern, as every moment inside is precious and concentration must be focused strictly on the crystals and people. The photographic machinery must work perfectly as the heat almost immediately begins to impair brain function.

At the end of the tunnel there are three or four steps into the aperture of the cavern itself. It is in this short tunnel that I move very quickly and concentrate on focusing my mind and that of my group on the task of photography. In this short distance the temperature and humidity goes from being uncomfortably warm to literally a blast furnace. Almost immediately our clothing is so soaked in sweat that it becomes heavy and starts to slide off our bodies. On my first trip it was really hard to keep my pants up, which was a new and unexpected experience.

Momentarily, the penetrating heat is forgotten as the crystals pop into view on the other side of the newly named "Eye of the Queen". The entire panorama is now lighted and the cavern has a depth and impressive cathedral-like appearance that was not visible on earlier trips with just our headlamps.

When inside the great cathedral of crystals, the pressure of intense heat makes my feelings run up and down the emotional scale from shear religious awe to outright panic. The ladies are no longer "glowing" and indeed are "red hot". When I'm done working after three trips into the great cavern, my friends almost have to carry me out. We want to see more, but physically cannot. When the experience is over there is a great relief, but all we can think about is when can we go back in.

When I talk to professional geologists about crystals they tell me that these natural forms are incredibly complex, yet so simple. They have a magical or metaphysical personality independent of their chemical structures. These geologists have explained to me that there is a magma chamber two to three miles below the mountain and that heat from this compressed lava travels through the faults up into the area of the mine. Super heated fluids carry the minerals the miners are seeking as well as form the crystals. The mine is ventilated; otherwise, it could not be worked. Some parts, however, are not air-conditioned, such as the Cave of the Crystals, and there you feel the heat from the magma deep below.

When describing the crystal formation the geologists' eyes light up with a special emotional fascination. They tell how the fluids travel along the Naica fault, enter voids in the bedrock, and then form entirely natural structures that are not easily explained by science.

I have been told that the mining company was afraid to tunnel through the Naica fault for fear of flooding the entire mine. In April 2000, the company became confident that the water table on the other side of the fault had been lowered sufficiently to drill. When they did this, it is almost as if a magical veil of reality was breached and an entirely new world was discovered. Two caverns filled with the Earth's largest crystals were immediately revealed. More discoveries are expected to be made in this magical kingdom of intense natural beauty.

Selenite, the gypsum crystal, named after the Greek goddess of the moon due to its soft white light, is said to have many metaphysical and healing benefits. Selenite powder has been used cosmetically for thousands of years to enhance one's natural beauty. It is believed that this crystal assists with mental focus, growth, luck, immunity, and soothes the emotions. It is unquestionably magical that the cool white rays of moonlight can originate deep underground in a black chamber that is, at least in my perception, white hot.

I thank Ing. Roberto Gonzales and Ing. Roberto Villasuso, of the Pe¤oles Mining Company and Sonia Estrada and Carlos Lazcano for contributions to this text and photographs.

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