What is the purpose of the green gem/rock in the room with voles of black goo?

I agree with xenowarrio's last post tho, I don't really want ALL the answers, just enough to satisfy my curiosity such as an insight into engineer culture, why they wanted us dead and the purpose behind the goo. mind u that would answer everything lol

Personally it would be sufficient for me if one bloody major question was answered in Prometheus, and then leave the rest of the questions for the sequels.

I felt as if Prometheus set up a ton of questions but there was no payoff at all in terms of explanation. Only blank slates and a a log filled with illogical things from the script like I mentioned before.

I also mentioned before that I appreciate fans' opinions on Prometheus as there's always a possibility of something to gather, more insight provided that it makes sense. Bashing sense into Prometheus is a very hard task but I admire it.

I at first assumed the black goo in the vases to be the same as the substance in the opening of the film but I doubt this now. if it is the same substance then to me the xeno/decon and other types r flukes. bare with me....if it is indeed a weapon I would design it to have its best effect when consumed. now how best to deliver such a weapon? dump it into the water supply for greatest results. if this is true then what happens between shaw and Holloway is a freak chance variable, whats the chances of a weapon being designed to infect male or female then wait for them to mate for the end result to wipe out the species yet leave a dangerous organism roaming about...unless, we have been bred for this purpose or the xeno has a short life span. if they go with my first theory then we get wiped out but life would evolve again as in the opening scenes

I feel it was quite obvious, the rock held the genetic code of the Xeno and or proto/neomorph..etc.. The code was used in conjuction with the Black Goo to create what was in the vases which is a bio-weapon which they were going to bomb earth and eradicate all life.

Maybe the rock is the engineer's god XD

I'm glad this question has peoples minds wandering as when I first thought of it I was unsure how wacky I may have gone but some good theories popping up

This one baffles me and after the day I've had I'm not gonna touch it ;)  Some good ideas here though!

it is related to this i know it is.

What really happened to the Engineers in Prometheus, something everyone missed!

There's the green goo on the panel where David starts the hologram, there is the green stone in front of the mural and there's the green orb raising the cockpit. The green substance might be some kind of power source?

Hey xenowarrior1 have given any as to whether the green rock has any connections to the green slime David finds?

ninxeno426.....I have wondered that myself...I watched Prometheus again this morning and I've had so many theories running through my mind all day... That is what I love about the universe ridley is creating ..there are so many questions to be answered and so many possibilities..all the different theories people are coming up with are wetting our appetite for the next installment...

Me too,Prometheus is fairly underappreciated.The green slime sort of slipped my mind until Chris brought it up in his things everybody missed forum.

I at first thought the slime was from a xeno/deacon when first watched it but to like u it completely slipped my mind..it would be nice to get some closure on some of the things Chris wrote about earlier but I'm not sure we will be getting it in AC...I can't see us getting much from AC relating to Prometheus to be honest..upon watching the trailer... Maybe the installment after things may tie in a bit with both AC and Alien...I have faith in ridley ..I just hope we r not left wanting for too long this time..

I gotta say this was my first posted topic and I'm thrilled with how many responses and how many theories I've seen today..its so good to see how many fans of the franchise are still so interested in its future and mythos

 You asked a pretty interesting question.I myself am pretty new and have posted a few

 interesting but in trailer the crystal is a sacrificial bowl seen in premise when engineer drinks it and is replaced with crystal in movie....gotta be significant I'd say....I just found that someone else had ask this question a few years back and they pointed this out

Interesting find which trailer?

I cant load video but on you tube its on this trailer ninxeno426

@Xenowarrior1

yes some nice posts... your onto something ;)   i will elaberate for you... but first i will come back and answer many of your replies with my own as i see most of you are New.. and missed so many debated we had on here over the last 5 years.... so i can give some Top Ups for you.

First indeed Originally the Trailer Had the Sacrificial Cup... which lead me to a theory.... which i posted in 2012... to me it clearly showed something.. that the Goo in the Sacrificial Scene and Urns are not the same..

Now it would take me too long to go over every detail.. so i will try and give it in a nutshell...  This is what i was drawn too... (which months latter when i read Spaights draft.. kind of confirmed my theory).

*We have the Sacrificial Bowl... in front of a Altar (used in worship and sacrifice).

*The mural shows us a Xeno related Organism, in Cruciform pose... note this pose is not Christ... but when Christians have the Crucified Christ as a Symbol it is not of Jesus.. but it is to remind them that Jesus was SACRIFICED to save us from Sin.  The Cruciform Pose = Sacrifice...

*To me these showed me that the Engineers Sacrificed something related to the Xenomorph similar to how they Sacrificed the Engineer at the beginning... only the broken down material that forms into a Mutagen to pass on the Sacrifices Traits (like Sacrificial Scene) was collected and stored in the Urns.

After this theory... a few months latter i came across Spaights Draft and if you look how the Nano-Scarabs work.. well its exactly the same as what i put above.... also in Spaights Draft the Sacrificial Engineer took a Cruciform pose before he broke apart and into the Waterfall...

This i think backed up the theory i had.

Why was it replaced with the Green Crystal?  Who knows.. we had many theories on that....

But come Febuary 2015 i was passed information from someone who spoken to another person who claimed to have seen early production work and draft for Prometheus 2 (Paglen/Green) and they passed information on between Feb to May..

As far as the Green Crystal they (like most stuff) was never exactly spoon fed... They said the Goo... (Sacrificial) was like the Prometheus Fire, the Forbidden Fruit in the Garden of Eden. It was the source of the Gods/Hierarchy power to create Life..

They claimed that Prometheus 2 that Paradise had a Dark Black Obelisk that was near some Trees.. it had roots to it and it did not look made of Metal or Stone... not quite...

This Obelisk they claimed had a Green Glow from the Center and was the source of the Tool for Creation used.... they references how in Dark Crystal that Crystal was important to the TWO factions in that movie...  

They said the Obelisk which was not quite Rock/Stone, not quite Metal... was the Franchises Equivalent to the Tree of Life and Knowledge in Paradise Lost... it was a Forbidden Fruit/Knowledge...

Prometheus was a tale about Theft and unintended use of this source of Power.. lead to dire consequences...

So the Source was hinting that the Green Crystal in the movie Prometheus was a Shard Taken from the equivalent of the Forbidden Tree in the Bible.  

Thus how those Engineers was able to use it to obtain the Goo.

Thanks for the trailer post xenowarrior1,and the info BigDave I've certainly missed out on a lot of things.