Pharaoh's Gem Brighter Than a Thousand Suns
Tamas Feher from Hungary writes "An Italian archaeologist accidentally found that the central gem in Tutankhamun's regal necklace is not amber, but a mere piece of yellow glass. Kinda cheap for the famous Egyptian pharaoh, best known for his splendid golden mask. Except that piece of glass is much older than civilization. Where did it come from, StarGate? Kind of. Scientists now think a meteorite much larger than the Tunguska event fell from the sky and exploded over the Sahara in prehistoric times. The tremendous heat of the 1000 A-bomb sized fireball melted large chunks of desert sand into perfect glass. The memory of such an apocalyptic event may have made sand-glass gems a desirable symbol, meant to emphasize the pharaoh's heavenly powers."
I'm sure there has been lightning strikes, but this glass was formed over an enormous area of land, and a lightning strike wouldn't make glass of this magnitude in depth and area, it would have to be something that would be much hotter and a hell of a lot bigger than lightning.
--Valthan
Graverobbers did indeed conceal their tracks -- to hide caches of treasure from competitors.
Inside the tombs, they didn't waste time. They smashed open sarcophogi and ripped mummies apart looking for jewels and amulets. Anybody visiting subsequently would have found the fact of the robbery clear enough -- by the absence of any scrap of economic value.
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Just a slight detail - the book he mentioned isn't science fiction, it's just science. Asimov did a lot of non-fiction, too.
Considering that the Egyptians were one of the first civilizations to master glassworks, it seems somewhat unlikely that the Pharaoh's prized gem would be mere glass. Unless, that is, there were other legends or sources of value attributed to the gem. Given the unusual color of the glass (for the period), it seems quite reasonable that it being formed by "the light of a thousand suns" was the source of its value.
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The european crater you referred to is probably the Nördlinger Ries in Germany. Gene Shoemaker was on holiday in Nördlingen with his wife, when they discovered the stones used to build the local St. George Cathedral contained suevite and came up with the impact crater hypothesis. In 1961 he and Edward Chao proved it was actually an impact crater.
Industrial quality (mined) diamonds are cheap as shiat & are actually outnumbered by synthetic diamonds (around since the 1950's but not mass produced till later).
Until recently, nobody had a viable way of creating gem quality 'synthetic' diamonds. There are currently three companies that can do this & their diamonds are vastly cheaper than mined diamonds.
The various diamond importers don't care so much about the synthetic industrial grade diamonds, because those types of stones were too small/imperfect to be used for gems anyways. However, they are shitting bricks over man-made gem quality stones because the 'fakes' are cheaper to produce and are literally perfect.
So, in summary: The price of gem quality diamonds will be coming down, no matter what the big mining cartels have to say about it.
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DeBeers. They have the world's monopoly on diamonds and are quick to buyoff any new mines and ventures to control the supply. They are shitting bricks(diamonds?) and spending millions into detecting the ever more sophisticated synthetic diamonds. With all the effort they force on you to make the "perfect" diamond it will cost more than just buying one from them.
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