A Look at Kimberlites: The Volcanoes that Carry Diamonds | GIA Knowledge Sessions Webinar Series

[@mikelouis9389]

It would be wonderful to see a representation or animation produced by geologists depicting a Kimberlite eruption

[@lukeingram7655]

Interestingly enough there is still no consensus on what exactly that would look like, some theorize they were quite dramatic ala volcano but others feel they were more subdued not to mention a leading theory is that they all occurred underwater!

[@GG-ud1ib]

I want to thank the speaker for his including the visual display, it made this far more interesting and information. I'm a very visual learner and found this very beneficial. Thank you.

[@vaiduriampalaniappan9021]

One Kimberlite eruption I discovered in my garden. Initially it was in molten state.. After two months it solidified and turned into green color beautiful rock. After a year it is now gray color and brown color combined rock. When I broke I saw inside blue color crystal like things. Later the color changed. But near it within one feet I found glass like things which are sparkly and glowing blue in sunlight which are extremely beautiful. I adore admire everyday ..

[@ModernProspector]

No known kimberlite has erupted worldwide for tens of millions of years. Any eruption in your garden would have destroyed your entire neighborhood.

[@vaiduriampalaniappan9021]

@@ModernProspector it is true. Small size molten lava cooled and solidified and transformed into a football size rock. I have the rock with me. Why should I lie? Lot of gemstones I picked at that site. You cannot predict nature. Nature has so many wonders. If you don't believe no problem for me.

[@canadiangemstones7636]

That’s not a kimberlite eruption, it’s your septic tank blowing up. A common mistake.

[@helderosvaldosamucutadeoli1932]

thanks Evan!

[@brendorts]

Very interesting presentation! Thank you so much! I have learned a lot, thanks again

[@cristinalago1981]

Thanks for sharing!

[@goldcic]

More than I learned in the course years back.

[@edwingemstone]

Thank you for the explanation that can add to our knowledge about gemstones

[@maridelquine3738]

Very interesting!!! Thank you so much

[@adventure0174]

Very good information. Thanks Evan

[@DiamondsthatOutshine]

A book has just been published about Argyle, based largely on interviews with Ewen Tyler who started the search in 1969. Argyle: the Impossible Diamond Mine

[@irwanhassan7312]

Very very informative. Thanks Evan.

[@canadiangemstones7636]

A superb presentation, thank you for sharing!

[@gabrielgasper1405]

Thank for your suggeist i got idea to some stone volcanic diamond.

[@josereymelgo3085]

Very interested lesson at all, I have kimberlite stone full of crystalization about at 60kgs. The size of 35cm.x22x20 probably it has diamond intact.

[@TheStriver82]

Can GIA or anyone post the video i saw many many years ago as a child of a Russian Kimberlite with many coloured micro diamonds just sparkling like stars...does anyone have that video ?

[@lighttheoryllc4337]

Kimberlites from Earth Lonsdaleites from Space.

[@JohnBailey-nu9nm]

Is there kimberlite in cracks of a rough diamond like a small strip of yellow in a crevas

[@cwenterprizewells1104]

Does it effect the value even if it's still gem quilty

[@apolldelacruz9449]

I found different rocks with crystal clear like diamonds some are pink colour,grayish-blue,yellow-orange and white like a candle's color.I would like to know what what kind of gems stone are them.Thank you and hoping for your time to answer my question.

[@Solar333444]

Thank You, I learned so much about something I had no idea even existed. You said that Kimberlite is recent in geologic history of volcanic diamonds. Is there a difference in the quality/size of the diamonds prior to kimberlite diamonds? 👍

[@lukeingram7655]

I think he meant recent in overall geologic history, the kimberlite/lamproite eruptions are the only way diamonds have been brought to the surface, it was a one time deal and will probably never occur again because the cratons have settled and solidified.

[@tl9150]

Are you familiar with these pipes in Indiana. Bill Bryson mentions of this. Thanks.

[@lukeingram7655]

The diamonds found in Indiana were carried down from Canadian pipes via glacier during the ice age. There is a book on the subject if you search around.

[@aforgottennativeamerica8439]

What should you do if you find a really good sized kimberlite deposit we're at least 1 stone out of every 20 kimberlites contains dimonds?

[@aforgottennativeamerica8439]

OK I have collected and sold a fair amount. At this point it might be easier selling the the entire kimberlite rather then smashing them. But Now I'm wanting to get credited with the discovery but I dont want to see the beautiful land destroyed. I can't decide what to do

[@SpyGearboyZZX]

@@aforgottennativeamerica8439 make your money, and use it for good. Dont let what they will do to the land worry you

[@carlosmoyla8788]

Hola un placer saludarle a todos los que hacen este excelente trabajo yo vivo en y somos uno de los países con más volcánes activos y como yo e aprendido mucho resulta que los diamantes se formaron ace miles de años y Chile solo piensa en cobre litio pero hay yo tengo algunos

[@azoresgems]

Sei onde existem muitos desses kimberlitos. Por falta de equipamentos não sei se já encontrei diamantes devido ao pequeno tamanho que podem ter, 0,01 carat😮 no minimo

[@guyanasun4361]

The ring planets rain diamonds. We have a Hexagonal shape halo/crown on the southern pole of our 6th planet saturn that was oddly understood by the ancients.

[@diamondmeteoriteandotherro8507]

Please can you help me identifying a rock that I got I will send you a picture

[@josereymelgo3085]

I just try my kimberlite to cheap to see and find at all if diamonds are inside.

[@noelgonzales-mo3bf]

I have the kimberlite I found in the shore

[@gopublik8243]

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[@noelgonzales-mo3bf]

I have that that texture is red . All minerals that I saw to your picture is correct can you help me to sell it make I deal. For 25'%

[@dominickrusso99]

I believe we need to talk!!!

[@gopublik8243]

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[@ThirteenPercentHxC]

You guys are completely oblivious to the diamond rich Kimberlite of southern california.

[@lukeingram7655]

Many diamonds have been found in California over the years, most often in gold mining operations, however the source (kimberlite pipes) for them has never been located. Same in Arizona and New Mexico. If you know where a kimberlite is in CA you may have some very valuable information!

[@ThirteenPercentHxC]

@@lukeingram7655 I do know where a kimberlite pipe is right here in southwest riverside county. I've been collecting alluvial diamonds from the sands of the creek which just so happens to run through a Kimberlite Pipe. I've also collected kimberlite breccia from the banks of the creek and the adjacent field. I've soaked the Kimberlite, crushed it to free the diamonds, cleaned the diamonds and tested them using the mohs hardness test and then a diamond tester. I've identified the adamantine luster and 4 sided crystal structure. I've found macles, octohedroids( no perfect octohedrons yet), cubes, dodecahedrons and many which have a twin plane combination of two of the shapes. I've found some big ones too and some which are very clear with gold inclusions. I have all these diamonds and am still a broke ass because hardly anybody will give me the time of day to even look at them, let alone buy them.

[@lukeingram7655]

@@ThirteenPercentHxC Extraordinary claims require extraordinary proof. I'd love to see a few pictures, put them on imgur and post a link.

[@benjiesanmiguel8420]

Ihave 3kgrm kimberlite many crystal diamond and rose gold from philippines.

[@noelgonzales-mo3bf]

I send the pictures to you

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