MUMIN Museo de Minerales [MUMIN Mineral Museum]

I need to get this posted, because I was told that this museum will be closing next month, which sucks, because it’s pretty cool.  It has a strong online presence, a good physical space, and a great staff.  It will be a loss.

The MUMIN (MUseo de MINerales, get it?) is the educational endeavor of the SEGEMAR, the Servicio Geológico Minero (Argentine Mining Geological Service).  It caters mainly to school groups, tasked with making rocks interesting to children.  Geology, being perhaps not the sexiest of sciences, could make that a bit difficult to achieve, but they have done an admirable job.  Things to touch, demonstrations to look at–there’s a lot of activity for minerals.

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If a rock museum could have jazz hands

The museum is located within a government ministry building, the name of which escapes me at the moment–but you do need an ID to get in.

I poked around on my own until a staff member came out, discovered my terrible Spanish, and immediately went back to send out a very patient English-speaking geologist.  He showed me around the museum, told me about all the displays, and answered all my questions.  Let’s see a little of the collection!  Argentina has a lot of mineral-related loot.

So, do you have a favorite kind of fossilized thing? ‘Cause I do.

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That thing is petrified wood, and the MUMIN has a huge chunk of it. Yaaass.
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Patagonia’s got some crazy fossil deposits.
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Up top you can see the impressions of a plant; at the bottom is a sauropod bone fossil.

“That’s cool,” you’re thinking. “BUT ARE THERE PRETTY ROCKS”

Of course!

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Fluorite!  One of my favorite minerals.
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Big ol’ piece of rhodochrosite, the national stone of Argentina.

The museum does have an app available on the website that will do AR stuff with a few signs as well as a VR headset with a short meteorite thing to watch; nothing extravagant but fun and memorable.  There are a few more hands-on elements to see/do, including some SUPER FUN SAND TABLES:

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whaaaaaaaaaaaaat

If you move the sand around, the volcano changes:

There’s another one!

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Islands in the stream, that is what we are

In this table, you move the sand around to form the topography of the land.  Then you can make it rain by spreading your hand.  The idea is to demonstrate how water moves over the topography.

Know what else I liked?  This Argentina-specific graphic of geologic time:

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Although the geologist explained that it is just illustrative–if you dug beneath the Obelisco, you wouldn’t find a whole lot of the middle layers.  You would, however, cause no end of excited reactions on the part of the local government.

Wanna see more minerals?

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Good news.

I will never not find it fascinating that some minerals naturally grow in distinctive shapes.

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NEVER.

Finally, I will close this out with a geode.

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The label doesn’t tell you this but the very nice geologist will, this geode is an enhydro agate–a geode with water inside of it.  Did you know that was a thing?  I had no idea that was even a thing!

The MUMIN is free and open to the public Monday through Friday from 9am-5pm (closed on holidays).  Take your ID though because you need that to get in.  It’s very close to the Plaza de Mayo and easily accessible by all the subway lines that go there.  Go while you can.

Museo del Agua y de la Historia Sanitaria [Museum of Water and Sanitation History]

Let me tell you, I have been a huge fan of sanitation infrastructure since reading The Ghost Map.  No part of that sentence is exaggeration.  It’s difficult to appreciate modern sanitary standards until you read about a virulent cholera outbreak, and the sheer amount of sewage in the drinking water.  Yum.

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This is my local basketball team.

Definitely read that book, by the way.

Anyway, you will find the Museo del Agua y de la Historia Sanitaria (Museum of Water and Sanitation History) in a very eye-catching building in Buenos Aires.

 

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There’s a lot to look at here.

This is the Palacio de Aguas Corrientes, or Palace of Running Waters, which is incidentally the name of my future chalet. It was completed in 1894, designed to be a water pumping station.  That’s right; this glorious eclectic construction of English terra cotta tiles, a French mansard roof, and polished landscaping was built to be a water tank cozy.

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Makes an impressive entry for a sanitation museum.

Today, the Water Palace houses administrative offices for AySA, the state water company, in addition to the museum (and archive and library).

The museum devotes a good deal of its space to the building’s construction and history.

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After the section dedicated to the building, there are…

PIPES!

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I’m 100% sure there is a fancy word for these that I cannot remember.
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This pipe is made of wood!

Faucets!

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Not gonna lie; I do love a faucet key.

And a model of the Radio Antiguo area’s English-style drainage system, which collected storm water in addition to sewage.  Not every sewage system does that, you know.

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Miss me with your wastewater-only pipelines, Boca and Barracas.

Historical artifacts of the water company (once called the Obras Sanitarias de la Nacion or OSN, no I was not kidding about the basketball team) are also in the museum.  There’s an office from the 1920s-1940s era:

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A magazine published for the nation’s sanitation workers:

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I used to get a magazine from my national professional association, and I think this one is cooler.

Various and sundry piping-related materials, catalogs, and certificates:

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Is…is this an anatomically accurate depiction of a water drop?

But I know what you’re thinking.

“Does this sanitation museum include toilets?  Because honestly why even bother otherwise.”

Well of COURSE it has toilets.

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Antique toilets.
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Old timey toilet tank!
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An old sink and Turkish squat toilet.
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A portable bidet and good reminder to thank your lucky stars that all your butt-related fixtures are connected to pipes.
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Prison toilets.
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The sign says these toilet bowls “were a more modest alternative to the pedestal.”  Which, yes.                The lower one is a squat toilet from 1900.
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They even let you see the toilets and items that are not currently on official display.

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This room is scented by an air freshener that took me a moment to place, but is in fact the most common air freshener used in public toilets in Buenos Aires.  I thought that was a nice touch of ambiance.

Visitors can also see the interior of the building–the former water tanks.  The space has some of the larger artifacts and photographs relating to the history of water and sanitation service in the city.

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This building is undoubtedly haunted.  You can tell that even before you hear the stories of suicide and murder in it.

 

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This is a 1948 mercury vapor valve, and according to the label it is a “device for rectification of alternating current into direct current.”  It was used until 2000.

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There’s a water station!  If you take the tour, you can have some.

If you aren’t on the tour, there are screens with virtual guides giving short talks throughout the museum.

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Are there interactive exhibits?  Heck yes there are, in a manner of speaking.

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Stick your faces right in!

Bonus:  Currently, there is also an art exhibit on the Antarctic.

 

The architecture alone is worth stopping by, and if you’re already there, the museum is certainly fun and doesn’t require much time.  There is also a shop!  A case just outside the museum shows its wares, which include the most affordable post cards in Buenos Aires, outside of free ones.  Museo del Agua y de la Historia Sanitaria is a couple blocks from the D line of the subway and open Monday through Friday, from 9am to 1pm and 2pm to 5pm.  Guided visits in Spanish are at 11am on Mondays, Wednesdays, and Fridays.