axe - Stone axe - Shipibo, Ashaninka - Peru

Stone Axe from the Ucayali Region of Peru

I received the three stone axes on a trip to the Ucayali region in 1980 from the Indians.

To determine the origin and age of the stone axes, a combination of typology (form comparison), material analysis, and especially the context of discovery is crucial.

1. Identification by features
Experts use “lead forms” to narrow down the age:
• Description: The axe is flat, rather rounded, and on a quarter of the circumference it is flat and very cleanly wedge-shaped. It is dark gray and very smooth. The color strongly suggests Andesite—a volcanic rock that is ubiquitous in the Andes and polishes well. The combination of material, 7 cm size, and the lateral notches makes a Pre-Columbian South American (Peru/Ecuador) origin extremely probable.
• On the opposite side of the cutting face it is grooved to fix it to a wooden handle. The indentations are technically an advancement, as they prevented slipping in the shaft—a principle that was less commonly used for stone axes in Europe (where holes were drilled or the blade was embedded in the wood).
• Surface check: Under magnification you can see tiny light crystals in the dark gray stone, therefore it is Andesite, the typical “building material” of the Incas. The origin fits geographically and historically! The Ucayali region lies in the Peruvian Amazon basin. It most likely concerns a tool of the Indigenous groups living there (Asháninka).
Classification of your find:
• Culture: It does not necessarily have to be “Inca” (highlands). The Amazon lowland peoples used these stone axes for centuries. They are often called “Hacha de piedra” there.
• Material & style: The dark gray, smooth rock was often brought via trade routes from the foothills of the Andes into the jungle, as there is hardly hard rock in the lowlands. The lateral notches are typical of the hafting method in the Amazon region: The axe was clamped between two wooden rails and firmly wrapped with vines or cotton cords.
• Timeframe: By 1980 the stone was already “old.” Such axes were often found during fieldwork in the Ucayali region and kept as heirlooms or good luck charms, as they had long since been replaced by steel axes. It is quite possible that the piece is several hundred years old (late Neolithic of the region up to colonial times).
Significance of the find:
Since I obtained it before stricter international protection agreements (such as the tightening of the Cultural Property Protection Act in 2016) came into force, private ownership in Germany is not problematic, as long as it is documented as a personal travel souvenir.

• Documentation: The history (discovered in 1980, in Ucayali) is fixed in a diary and serves as proof. This is often more important for the historical value than the object itself.
In the Ucayali region, the stone ax is not only a tool but an object full of symbolism. 1. The hafting (how it was held)
Since people in the Amazon basin did not have hard steel to bore holes, they used the indentations seen on the axe:
• The “sandwich” grip: A hardwood piece free of branches was split at one end. The stone axe was slid into this gap, with the indentations serving as a “seat” so the stone would not slide forward.
• Wrapping: The wooden grip was wrapped very tightly with plant fibers (usually palm bast) or hand-spun cotton above and below the indentations.
• Fixation: Often sealed with black beeswax or tree resin (similar to aspen pitch) to make the binding water-resistant and rock-solid.

2. The myth: The “Thunder Stones” (Piedras de Rayo)
Indigenous people in the lowlands (like the Shipibo) often found these axes after heavy rain when the soil had been washed away. Since they had used metal for generations, the knowledge of stone working was often mystically romanticized:
• Fallen from the sky: It was believed these stones were lightning strikes into the earth that crystallized into stone.
• Protective charm: Having such an axe in the house was supposed to protect the dwelling from another lightning strike (in the sense that “the bolt never strikes the same place twice”).
• Healing: In traditional medicine these smooth stones were sometimes used to stroke over painful body parts, as they were attributed with the pure energy of the heavens.

3. A “silent” testimony
The axe’s symmetry and smoothness show that it was very valuable to someone. In the Amazon lowlands, hard rock is scarce—every stone had to be transported hundreds of kilometers from the Andes. So the axe was a true luxury good.

4. Determination of value and culture
To specify value and precise cultural origin:
Determination of culture
• Style comparison: In the Ucayali region, the Shipibo-Conibo culture (Pano language group) is most likely. Their ancestors (the Cumancaya tradition, ca. 800–1600 CE) produced these symmetrical stone cutting tools.
• Material testing: It is Andesite. Since this stone does not occur in the jungle, the axe is evidence of early long-distance trade with Andean peoples.
Value assessment
• Ideal value: As a gift from Indigenous people in 1980, its historical and personal value is at the highest level. The travel documentation is the most important “certificate.”
• Market value: In the art market, such authentic pre-Columbian stone axes fetch typically between €100 and €400, depending on condition and provenance.
A small tip: Keep the axe together with a note about the 1980 journey. For collectors and museums, the story of how an object came “out of the jungle” is often as valuable as the stone itself.