/sci/ - Science & Math

maybe some corundum?

Straight from the source.

you kids wanna do some cheap quartz ?

Keep em comin op. Love this shit.

some dioptase. this one is still in the mail to me.

>>7097253
what's the green shit?
Potential geology student here

aragonite, also known as calcium carbonate. my geoscience major friend tells me this is a common mineral precipitatiting in the oceans. Its on my my yet to purchase list, love the unique crystal structure. reminds me of the compass artifact from Stalker: Call of Pripyat.

"Is this a rock ? Yep." - The thread.

>>7097281
structure looks like basalt columns

>>7097296
sorry, thought this was the science board.

>>7097269
the green inclusions are dioptase, the matrix is mostly quartz.

>>7097358
ah ok, didn't realize dioptase was the mineral. Hadn't heard of it before.

>>7097353
Was just joking.
Geology is awesome.

garnet that Ive been collecting for a while.

>>7097378
<3 its all good

sub par fluorite I found in crittenden county KY.

If I get a BA in Geology, will I end up being nothing but a lowly mudlogger?

>>7097392
no you'll be homeless. but at least you can identify rocks

beryl (emerald). the big chuck almost has an aquamarine coloration to it.

>>7097400
I'm anthropology right now, so at least it'll be a step up.

>>7097406
I don't collect minerals, but have some rocks.

Im not really sure what this formation is, it came from a cave along the green river in west kentucky.

>>7097406
Holy shit, what is this? It looks like some formations I've seen in Dragon Age Inquisition, but I didn't figure that could be real

>>7097406
giants causeway basalt?

>>7097451
behold my friend.

http://en.wikipedia.org/wiki/Giant%27s_Causeway

>>7097454
Shit, this is crazy. Thanks anon

some of the lepidodendron specimens that i find in my back yard.

closeup.

My favourite type of rock a thunder egg.

While they aren't particularly rare or expensive I reckon they look rad.

There's a place near where I live (and by near I mean in the middle of bumfuck nowhere) where you can find your own apparently.

>>7097207
>>>/out/

>>7097641
>geology isn't science

go post in a 0.999...= 1 thread

Lots of good vibes in this thread.

Pic related is calcite and fluorite

thread please revive
Here is some schist.

>>7097392
>BA
>geology

I'm sorry, I don't understand

>>7097413
Stromatolites. Earliest known form of life in the Proterozoic era.

>>7097450
Its habit looks almost botryoidal.

Malachite on an Azurite specimen

fluorite cubes on calcite matrix

I used to collect rocks.

Used to.

Anyone know what this is? It's hard, heavy, and almost polished on the black surfaces. There's some small linear grooves and lots of pockets with less polished surfaces. It's not magnetic as far as I've tested with small magnets.

>>7097207
Mr. Mason? Is that you?

>>7099915
it's poop anon.

Poop is not very magnetic

>>7099923
Thank you.

>>7097380
these rocks are cool

Molybdenite crystal in calcite matrix.

Apparently my phone camera is pretty shit.

Bump

>>7097454
> still thinking these are volcanic related
> laughing girls.jpg

Fluorite on calcite

Now with light through

For something defreind
periodic table element collection

Rare to see a geology related thread on /sci/, so i'm gonna ask u guys for some advice.

I'm currently getting a bs in geology and im fixing to finish my minor in math (all it takes at my school is multivariable calc, diff eq, linear algebra, applied stats, and discrete), and it turns out I am really enjoying my math classes so I'm considering taking extra math classes, but the upper level ones seem highly abstract and unrelated to geology. Will taking extra math classes beyond that ones I've listed be a waste of time? I am hoping to do something related to hydrogeology in the future.

Nice rocks, guys.

So guys this is argonite around 25 cm how much is it worth (bought it for around 6$)

>>7101500
>I am hoping to do something related to hydrogeology in the future.

take a course in PDE's and fluids. and a programming class.

knowing how to model shit in a computer is pretty fucking handy.

>>7101579
thanks m8!

the main problem with taking a course in fluids is that the one at my school is offered in the engineering department and has engineering prerequisites (physics 1 -> physics 2 -> statics -> dynamics -> fluid dynamics). I am taking university physics 1 and am doing meh (B-) in it right now, do you think its still worth taking those engineering classes to take fluid dynamics?

I'll definitely take a course in PDE's and a couple programming classes though!

>>7101703
nah, i wouldn't go that far then. you might as well be getting a geo engineering degree at that point.

>>7101405
goddamn malachite, pleb tier tumbler fodder.

>>7097207

OK, so I'm an amateur collector, I'm starting up my collection. What do you guys think of my collection so far?

- Malachite w/ Azurite
- Sulfur on unknown matrix
- Mexican Firewood Opal on clay matrix
- Galeta crystals on Dolomite
- Manganoan with Tetrahedrite crystals
- Goethite
- Aragonite (like >>7097281)
- White Aragonite
- Green fluorite
- Wavelite (most expensive in my collection)
- Green beryl on granite matrix
- Obsidian
- Dioptase
- Sugalite with unknown crystals
- Rainbow quartz
- Smoky quartz (brown)
- Smoky quartz (black)
- Rose quartz
- Calcite (regular)
- Calcite (tri-color)
- Pyrite
- Smithsonite
- Black tourmaline
- Pink tourmaline (in the mail)
- Apatite
- Cinnabar with Opal
- Zebra jasper
- Peacock ore
- a dozen agate
- a dozen geodes
- a few unknowns
- a few who I know the name, but too lazy to check out

The unknowns im getting checked out at my university. My university has only one geology class, and the only professor for it is a chemist but apparently knows his stuff, so hopefully I'll identify most of them (like 10 others)

>>7102450

I forgot to mention a couple of others for some reason

- Bismuth
- Red garnet on microcline
- Stalagmite
- Coprolite (not really a rock)
- Labradorite
- Sodalite (flat slab)
- Desert rose (selenite)

>>7102464
(depending on size or quility of the samples) but yhea its a good beginning

>>7101568
Thats Things Huge, i whould say that green ara
gonite i havent seen before i ussualy see it in form of >>7097281

does anyone know that this is worth im really interested


ps >>7101447
>>7101452
>>7101467
>>7101472
>>7101497
>>7101568
>>7101577
>>7101585
>>7101589
Very nice (is all of these from same collection? (i mean they all have the same keyboard in the background))

>>7102833
$100 for >>7101568 ?

>>7099915
precipitated iron oxide

>>7101500
I'm currently taking a class with applications on moving surface problems, that has applications in crystal growth models, so that could interest you.
Needs some solid backround in numerical analysis though.

You might just take an intro to numerics class to see if you like it.
If you don't you'll at least learn some basic programming which is never a bad idea.

>>7101500
I'm currently taking a class on moving boundary problems, that has applications in crystal growth models, so that could interest you.
Needs some solid backround in numerical analysis though.

You might just take an intro to numerics class to see if you like it.
If you don't you'll at least learn some basic programming which is never a bad idea.