Meteorite Ring





Introduction: Meteorite Ring

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A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the Earth's atmosphere and impact with the Earth's surface or that of another planet. When the object enters the atmosphere, various factors like friction, pressure, and chemical interactions with the atmospheric gases cause it to heat up and radiate that energy. It then becomes a meteor and forms a fireball, also known as a shooting/falling star; astronomers call the brightest examples "bolides." Meteorites that survive atmospheric entry and impact vary greatly in size. For geologists, a bolide is a meteorite large enough to create a crater. (Wikipedia)

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Step 1: A Meteorite.

I got this slab of the Meteorite on ebay with intention to make something out of it. Originally I was thinking to make a custom watch case, but since I was getting married I decided to make my own wedding band. I think It's very sentimental and deep =)

List of tools for this project:
Slab of a real meteorite -
Jewelry metal cutting saw (you can use a hacksaw of an angle grinder)
Spring Clamp -
Center punch -

Drill -

Drill bits -

Cutting oil (you can use WD40) -

Mini Metal Lathe -

Expanding Ring Mandrel
Sand paper (400, 800, 1000, 4000grit)
Polishing compound -

Ferric chloride (etching solution) -

Step 2: Cutting the Proper Size Piece.

This piece of meteorite made mostly out of iron. And it's much harder than I thought it's would be. I used my jewelry saw to cut out the proper size piece for the ring. It took me quite a while to do. Next time I would use a hack saw or an angle grinder with a cutting disk.

Step 3: Drilling a Hole.

I used a centre punch to mark a hole for the drilling. With a cutting oil I start drilling the pice out to fit on the bolt mandrel.

Step 4: Shaping the Ring.

I used my Sherline mini lathe to shape the metal piece in to the ring shape.

Step 5: Finishing the Shape.

Then I got the ring size and thickens right, I mount it on the expandable mandril to make facets and do the initial polishing. Working thought 400 to 1000 grit sand paper mounted on a flat part of a chisel.

Step 6: Polishing.

To do the final polish I've used diamond powder buffing compound and a piece of cloth. I put some polishing compound on a wooden rod to polish the ring from the inside. I polished the edges on a flat surface using 1000 - 4000grit sand paper.

Step 7: Etching.

To reveal the internal crystal structure of the metal I dipped the ring in to the ferric chloride solution for a few seconds. Ferric chloride is a metal etching liquid. It acts as an acid so be very careful around it.

Step 8: Final Result.

Here is the final result. I think wearing a piece of rock from out of space as a ring is awesome. According to my friends it's a best wedding band ever =))

Step 9: Video.

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    53 Discussions

    How much meteorite did you need in the end? As in, thickness and mass?


    Question 4 months ago

    Can I ask the specific meteorite you bought?

    Just seeing the first picture made me want to make myself one. If I knew you can buy a piece of meteorite I would have bought some a long time ago. Awesome idea, got any other ideas what to make with the rest of that meteorite?

    I like it! Of course I'm overlooking the fact that my entire hand will rot and fall off by sundown, if you believe some of the comments. In any case, nice design and really good work.

    What is the name of the machine you used to shape the meteorite?

    Seriously people DON'T Do THIS!

    The Nickel in an Iron meteorite is a toxic heavy metal, a carcinogen and long term exposure will have health deficits. Also at least 10-20% of the population will upon skin exposure to Nickel develop an allergic reaction to a lesser or greater degree

    That said, I & my wife both wear meteorite wedding rings, our rings though are gold bands (yellow & white) on the skin facing side with the meteorite inlaid on the outside which keeps it away from skin contact.

    2 replies

    Day-to-day exposure (such as nickel compounds naturally found in water and food, or the wearing of jewellery) is easily dealt with by the kidneys - nickel does not accumulate like lead, and most orally-consumed nickel does not even enter the blood-stream, but is passed out with all the other solid wastes.

    Carcinogenic or toxic effects only occur with large doses or daily exposure to nickel compounds.

    I don't know where you got your sensitivity data - ~22% of Americans have contact dermatitis, but that includes all triggers, not just nickel.

    TL:DR; Awesome ring. If it makes your finger itchy, varnish the inside.

    What about the outside of the ring that touches your two neighboring fingers?

    Absolutely love it! We're getting married next year and would like these in matching rings. Please could you tell us what sort of size and depth your piece was, and the type of meteorite?

    Try acid etching to bring out the crystalline structure of the iron and then clear coat

    1 reply

    You stated that the material is mostly iron, so what about rust from sweat or other moisture?

    How would you reshape it to make it into a comfort band

    Amazing, I never commented on an Instructable before but this is such a gorgeous idea well done.

    I'm making wedding rings for friends next next year and had pretty much decided on Damascus for the ring material but now this has me rethinking my plan....

    Thanks again for a superb Instructable.

    Looks amazing, something I think I will definitely have a go at when I've got more time. Who is the music by and what is it called?

    1 reply

    A wedding ring is such a great use of such old material. A piece of the Gibeon meteorite
    was machined into a pair of 1911 45 cal pistols. Only $4.5 million for
    the pair.


    1 year ago

    THAT is one crazy fine piece of work!