Saturday, February 7, 2009

The Angrite Meteorite

Sahara Angrite 99555 40x Cross Polarization

A while back I posted about my Saskatchewan (Buzzard Coulee) meteorite. Well a reader..... we'll call him Mike...mostly because that is his name, emailed me telling me he had a Buzzard Coulee meteorite as well. So we conversed back and forth about meteorites and the like and he happened to ask me whether or not I had ever imaged my thin slices in cross polarization, I thought to myself, "who's doing what now?", and he explained.

Sahara Angrite 99555 thin slice

I had seen images of colorful meteorite thin slices before, but never knew how they got the pretty colors to show, some are just to die for. Long story short Mike sent me a couple of films to do some imaging with, for free, very cool.

Microscope and alien

You sandwich your meteorite thin slice in between the polarization films, which does it's magic and allows Meteoriticists (meteor scientists) to determine the mineral and chemical composition of the meteorite therefore giving them a better idea how the meteorite formed in the first place. I like taking the images because I am creating art, they kind of remind me of abstract art or stained glass windows.

Sahara Angrite 99555 40x Cross Polarization

Angrites are the rarest, most sought after, most mysterious and studied meteorite in the world, to date only around 50 pounds worldwide have been collected. The only thing they know for sure is that they came from a large body near the Sun. Some Meteoriticists believe they originated from Mercury, no conclusive proof either way but we should know a little more when Messenger reaches orbit around Mercury in March 2011 and does some surface composition analysis, giving the Meteoriticists another piece to the Angrite puzzle, compare the known samples of Angrites with the Messenger data to see if there are any similarities.

Okay, I'm going to do something a little bit different, going to step out of my comfort zone, instead of posting a reflective water animation I'm going to do a rotating square collage, I know, I know, call me crazy and wild, but I thought I would switch it up a bit.


Rose said...

Bob, excellent. This is very creative.

Nature Nut /JJ Loch said...

Pick my jaw up off the floor, this is an AMAZING post. Those meteorite slices hold all the beauitful colors of space in a nutshell.

Super post and photos, Bob!!!

Hugs, JJ

Final_Transit said...

Incredible stuff! Bob, did you jump around the house and scream with joy when you saw the first art you created?

SEDONA said...

It is awesome bob.

Genie said...

Reminds me of Raku pottery or ultra modern, metallic art. Really gorgeous! How exciting! How excellent of Mike to help you out with that.

You ARE creating art when you shoot those, the images are remarkable.

John said...

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Bob Johnson said...

Thanks Rose, glad you liked the post.\m/\m/

Bob Johnson said...

Thanks JJ, pretty cool colors and shapes, and like you say it's all from space, very cool.\m/\m/

Bob Johnson said...

Thanks Priyank, it was very exciting to say the least, to think that a little slice of space could produce such crazy art.\m/\m/

Bob Johnson said...

Thanks Genie, I found a new toy to explore,lol. very interesting and cool art.\m/\m/

Bob Johnson said...

Thanks SEDONA, glad you like the new space art.\m/\m/

Bob Johnson said...

Thanks John, I will take a look at your site, it is totally something I agree with 100%.\m/\m/

Maria said...

Fascinasting post! And I must say, you are one wild and crazy guy!

ocean said...

Hi friend.. Interesting post.. keep up the good work.. Do visit my blog and post your comments.. Take care mate.. Cheers!!!

Sher said...

Hi Bob,
This is a great post--so interesting!

I have shared your blog with my scientist husband--he really enjoys it, too!

Have a great weekend!

Stephanie said...

Don't you have to cut slices from your meteor to do this? How much meteor did you lose?

The pictures themselves are amazing and very cool.

Bob Johnson said...

Lol, thanks Maria, and thanks for dropping by

Bob Johnson said...

Thanks ocean, glad you like the blog, I will pop over to yours as well.\m/\m/

tett said...

Hi Bob,

Glad I could help with the polarization film. It is so cool when you rotate the top film and see the colours come in and out of extinction.

Here are some links to web pages from good friends of mine who image meteorite thin sections. I hope to put my images on the web some time soon if time allows.



Bob Johnson said...

Thanks Sher,and thanks for passing my blog along to your scientist husband. You have a great weekend as well.\m/\m/

Bob Johnson said...

Thanks Stephanie, as far as the thin slice goes, it takes special equipment and knowledge to cut these meteorites so thin. I just have the thin slice, my living budget doesn't afford me $1,000 a gram to own an angrite rock,lol, because I have a microscope I can still enjoy the beauty and mystery of this rare meteorite.\m/\m/

Bob Johnson said...

Hey Mike, thanks so much again for the polarization film and making this post possible, also for opening a whole new field for me to explore with all my thin slices.

It is very cool when you change angles of the top film, the results in various colors you get and how meteoriticists can tell something about their composition at various angles or the amount of phase shift that occurs in the light, all very fascinating stuff to say the least, thanks again friend.\m/\m/

Grog said...

Awesome...Please come to my house and put on a show. My kids love this stuff!

Anonymous said...

Outstanding images Bob! It does look like stained glass. Why not take up the hobby and pattern them after your microscope slides? Who knows?

I think it would be interesting to apply the polarizing film to other objects as well, like insect wings or flower petals. I wonder if it would bring out features not normally seen?

As always another great post my friend....testament to the many fans and comments they bring out.

Take care.

Bob Johnson said...

Lol, thanks Grog, I'll see what I can do.\m/\m/

Bob Johnson said...

Thanks JD, now there is an idea, space stained glass art, could be a selling feature. I do know someone in our office that does stained glass, might give her some ideas, thanks again JD.\m/\m/

Shinade said...

Very cool Bob this is just awesome!! And I like your header very a matter of fact I think it's fantastic!!

Can I have it?

Happy day!!:-)

Will said...

Last post, "red flashes" this one "Meteoriticists". Bob you are certainly a source of interesting information! It is amazing that all those colors are in such a, as you said, "a little slice of space".

Bob Johnson said...

Thanks a lot Shinade,lol about the header, but if you are serious I can put you in touch with the people that designed it for me, they do such awesome work and can make one specifically for your site, The Valentine one is awesome for the season, but if you are looking for a more permanent one that will knock your socks off these people do the best work I've ever seen, very excellent price.\m/\m/

Bob Johnson said...

Thanks a lot Will. It is so amazing that the cosmos makes such perfect use of the colors, everything about space is beauty and art.\m/\m/

kml said...

A stained glass window was my first thought. This is just too amazing! Those aliens are at work again coming up with all these ideas to try.

Way too cool!!

renaye said...

interesting. i should also think outside of the box and do something with my creativity.

AngelBaby said...

Wow, just amazing. Wow! Those pictures are beautiful, just beautiful. I loved your square too, it is really pretty. You are so talented it is just awesome.

Love and Blessings,

betchai said...

The rotating square collage looks very unique, it is good to be crazy your way for all creativeness come in and we learn also a lot of information :)

Bob Johnson said...

Thanks Kathy, glad you like my new art, so cool those aliens,lol.\m/\m/

Bob Johnson said...

Thanks renaye, always good to think outside the box, good luck.\m/\m/

Bob Johnson said...

Thanks AngelBaby, glad you like the art, and my box, I thought it was different and kind of cool too.\m/\m/

Swubird said...


Very cool. I love the cross polarization images. They're really different. I also like the cube - neat.

Happy trails

Bob Johnson said...

Thanks betchai, I'm glad you like the collage, space stuff has been giving me lots of opportunities lately to be a little creative, love it.\m/\m/

Bob Johnson said...

Thanks swubird, the colors created by the cross polarization opened up a whole new way of exploring meteorites for me, who knew they could be so artsy,lol.\m/\m/

Max said...

Hey Bob! :D

Happy Monday to you!

LOL I like your alien...and I like the way he pays attention to the lesson at hand :)!

Now, let me read what Mike taught you...
You are absolutely right: they do reminds us of abstract art or even works with is very beautiful!
Lord of the Astropics...your rotating collage is fantastic! I loved it and I must stand and applaude your art *standing ovation*!

I loved this article; it felt like I was in class listening to a brilliant lecture...thanks, Bob :D!

Have a great week, my friend!


Ivanhoe said...

How awesome of Mike to get you the slice. The colors are just wonderful. Remind me of a glass stained window as well :o)

Anonymous said...


Bob Johnson said...

Lol, thanks max, aliens are very smart and loyal,lol. Thanks for the nice comment max, glad you like my little square, thought is was cool too.\m/\m/

Bob Johnson said...

Thanks Ivanhoe, we like Mike too,lol. Such a nice thing to do.\m/\m/

Bob Johnson said...

Thanks anonymous.\m/\m/

Shinade said...

Hi Bob,
Rushing by to say that before our dreaded weather gets here.

I was down yesterday due to dense clouds and rain.

But, today we are in the red on the weather channel. We are having early spring storm conditions.

I hope you have a good day!:-)

Ruth said...

Got me glasses! Thanks, Bob!

I may never be a Meteoriticist, but I have 3D glasses!

Max said...


You are most welcome, man: you deserve it! :D


Don said...

This is truly amazing and note-worthy. Thank you for sharing.

I saw your rotating cube and thought of Rubic's Cube and wondered if there isn't something you could do on that order. ;)

Bob Johnson said...

Thanks Shinade, we had freezing rain overnight, roads are terrible here and still no break in the clouds, so ready for spring,lol.\m/\m/

Bob Johnson said...

That's great news Ruth, now just follow the links I gave you and enjoy the wonders of 3D,lol.\m/\m/

Bob Johnson said...

Thanks again max!\m/\m/

Bob Johnson said...

Thanks Don I hear you, thinking outside the box.\m/\m/

Anna said...

Bob, I am dizzy and I see an alien on your he real, lol?
Kidding aside this meteorite thin slice is better than the murano glass. Lastly Bob is there a toy in the world that you don't have yet - you own a microscope, what's next SEM, lol. Note: these will be toys of mine too when I grow up, lol. Oh I am so glad that you ran into me 2 years ago....Anna :)

Nature Nut /JJ Loch said...

OOOH, two huge satellites collided...are you going to shows us some pics???

Hugs, JJ

Stephanie Barr said...

Hey, I didn't see the link in your list but I'd expect to be way useful for someone like you. Have you been to Among other things, there are heads up on meteor showers, solar flares and moon haloes like those they expect tonight for those in cold climes.

Bob Johnson said...

Lol Anna, thanks and I'm glad we found each other, hey thanks to you I found my animations effect!!!\m/\m/

Bob Johnson said...

Hi JJ, so sad so bad, no pics to show, not many cameras around Siberia,lol, I did mention it in my next post, thanks for the heads up.\m/\m/

Bob Johnson said...

Thanks Stephanie, actually you are right, it is one of my fav sites, I will add it later, and, I've actually had 3 of my images on their front page, very awesome cool.\m/\m/

Marvin the Martian said...

What beautiful crystalline structure!

I saw a meteor tonight while I was driving (the only time I see them, usually). It was about 30 degrees above the eastern horizon, and flashed from south to north, covering perhaps 15 degrees of arc in one second before it flickered out. I thought of you. ;-)

Bob Johnson said...

Cool Marvin, always gives me a rush when ever I see one.\m/\m/

GetForexHelp said...

Love it when you step out of your comfort zone Bob and thanks for the great info in this fabulous post :)

Bob Johnson said...

Thanks a lot GetForexHelp, glad you liked the post!\m/\m/

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