Aguas Zarcas Hammer Stone with Roof Panel


  • Meteorite Type: Stone, Carbonaceous Chondrite, CM2
  • Weight: 3.87 grams
  • Approximate Measurements: 24 mm x 21 mm x 12 mm
  • Witnessed Fall: Yes. April 23, 2019
  • Additional Information: This listing consists of a 3.87-gram fusion-crusted fragment of the actual impactor, or hammer stone, that hit the roof panel AND the roof panel display. The hammer stone broke into several pieces following the impact. Note the green paint on the leading surface of the meteorite, which is clearly a match for the green paint of the roof panel. Note also the rich, fresh fusion crust indicating this specimen was retrieved shortly after the fall.

1 in stock


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An extremely rare opportunity to acquire the evidence of a meteorite’s arrival on Earth

We’ve all heard someone exclaim: “Oh, come on! You’re more likely to get hit by a meteorite!” This expression is used to describe something so unlikely, it is seen as fantastical. And rightly so. The odds of a person, or a thing, being hit by a meteorite are — pardon the pun — literally astronomical. Despite many apocryphal claims, there is still no single clear and documented case of a human being hit by a meteorite. The best we can do is poor Ann Hodges who was injured by the ricochetting Sylacauga meteorite after it crashed through the roof of her house in 1954 and bounced off a console radio. As such, we might describe her as a secondary impact site.

Man-made objects that have been struck by a meteorite and show the evidence of that impact, and are acquireable, are also tiny in number. The Peekskill Meteorite car which was struck by a stone meteorite in New York State in 1992 and the Claxton, Georgia mailbox that was stoved in eight years earlier are two of precious few examples. While meteorites fascinate, the damage they do to terrestrial objects — the physical marking of their passage from the cosmos (there) to Earth (here) seems to enthrall even more. It’s as if the Universe said: “I was here!”

The meteorites that have perpetrated such damage are known, colorfully, as hammer stones. The instances in which an object of human origin that has been impacted by a meteorite have come up for sale are so few in number that one could almost describe any such sale as a cosmic event in itself. Aerolite Meteorites is delighted to present not one, but three such impact artifacts. Including this meteorite, that is an exceptional and unique impact artifact and your purchase includes section of corrugated roof from La Marina, Costa Rica, mounted, with display items and photographs!

As noted above the Aguas Zarcas carbonaceous chondrite witnessed fall of April 23, 2019 in Costa Rica is regarded as an important event due to the extreme rarity of the meteorite’s type — a CM2 — and the rapidity with which fallen pieces were recovered. Perhaps of even greater interest to collectors and historians is what one of those meteorite struck.

As reported by the Spacerocks Club:

“At 9:07pm CST on April 23rd, 2019 a meteor was seen in the sky above Alajuela province in Costa Rica. Sonic boom explosions followed a few moments later and pieces of rock rained down on the villages of: La Palmera, La Marina, Santa Rosa and Aguas Zarcas. The falling rocks were heard rustling through the high grass and leaves of the trees surrounding resident’s houses.

A few people reported loud crashes as the fragments hit roofs of buildings and in one case, a dog house. It was a rare type of meteorite classified as a carbonaceous chondrite which makes up only three percent of all meteorites. Meteorite of this type are extremely valuable for science. They contain calcium aluminum inclusions that predate our sun and the birth of our solar system.

The following day Danny Rojas Castro happened to be renovating the community center Salon Juan Rafael Rojas Quiros/Amalia Kopper Dodero of La Marina when he noticed a strange damaged panel. Then he noticed the fragments of rock on the street and sidewalk below the roof.

Fortunately even despite Danny’s lack of knowledge on the subject of meteorites he had enough wits to recover the rock fragments, which amounted to about 81 grams total.”

An enterprising collector who traveled to the scene in hopes of finding meteorites acquired this extraordinary artifact directly from Señor Castro, along with several of the meteorite fragments. This lot comprises the actual section of green corrugated roof that was hit by one of the incoming Aguas Zarcas meteorites, together with a paint-streaked fragment of the meteorite itself (see photograph). The dent or tear in the metal, formed by the impact, can clearly be seen towards the top left of the panel.

The roof panel, has been mounted on a wooden display board with a frame edge. Also mounted on the board is a photograph of the building itself, a photograph of the removed roof panel (at the site) being held by Señor Castro, and four informational plaques.

In addition:

The other portion of this offering consists of a 3.87 gram fusion-crusted fragment of the actual impactor, or hammer stone, that hit the roof. The hammer stone broke into several pieces, following the impact. Two other fragments of 5.4 grams and 1.3 grams are offered separately.

Note the green paint on the leading surface of the meteorite, which is clearly a match for the green paint on the roof panel. Note also the rich, fresh fusion crust indicating this specimen was retrieved shortly after the fall.

A pairing of a hammer stone and roof panel impact artifact is an extraordinarily rare and unusual occurrence. The pairing was exhibited by Aerolite Meteorites, Inc., during January and February 2020 at the international gem show in Tucson, Arizona where it was seen by an estimated 60,000 people.

Displays such as this are a source of wonder, and not just for meteorite enthusiasts. Such pieces make us remember and realize that our planet is a target in space and that, when meteorites do land, they can land anywhere … and hit anything. Such things perhaps make us more aware of our place in the cosmos. Our resident meteorite expert said this pairing “Would likely make an eternally popular and crowd-drawing exhibit at any science museum.”

This offering is also accompanied by a signed affidavit of authenticity from the acquiring agent.


Additional information

Weight 48000 g


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