/r/geologyporn
High resolution images of rocks and minerals.
Love Stone Age monuments? Check out /r/MegalithPorn!
Submission Rules
- Include some context in the title (such as the type of mineral, crystal or rock).
- Include the resolution in [brackets] in the title.
- Only submit static images.
- Videos, collections, interactive images/websites, and articles are not allowed.
- landscapes, read this.
- Original source is allowed and preferred over the approved hosts. If your submission is not on the list of approved hosts, but it is an original source, please use the tag [OS] so your submission is not removed in error. If your image is rehosted from another approved host it will be removed.
- If you took the photo yourself, you can signify this by using the tag [OC] (original content) and after 24 hours you will be given special flair. If you don't receive flair after a few days feel free to message the mods.
Subscripts and Superscripts are in use, according to the following syntax:
- Superscript
Fe2+ is written as Fe^(2+)
- Subscript
O2 is written as O*2*
Arrows can be copied and pasted from below
Equilibrium arrow: ⇌
Right arrow: →
Please use these to help out fellow redditors that haven't studied chemistry!
Other subreddits you may enjoy:
/r/geologyporn
81,620 Subscribers
Macro shot of epidote and quartz
I found this in some metagabbro and metadiabase near me
17:43 UTC
Agate
13:44 UTC
Cool work find, had 20 ton of MOT delivered and managed to spot this in the mix.
Nice little work find, think it’s pyrite and quartz? Let me know what you guys think.
23:46 UTC
Another cool field stone find
I didn't realize until today (torrential downpour rain 🤣) because of the residual dirt, but this one is also a milky quartz
The kicker is it's only partly quartz, which is a first for me (usually I find solid chunks) pretty cool :D
17:56 UTC
Really cool field quartz
Sorry for the funky pic, I couldn't get a good 3 quarter view so I took a screenie of the 2 side views I got
Was moving around field stones and found this beaut!
20:38 UTC
I admire the dimensional pattern of this agate stone. By the way ,it has the potential to be a Dali work :)
12:32 UTC
Elrathia Kingii from Utah :)
Making this trilobite relive its 500 million year old trauma
01:59 UTC
Ruby Crystal Almost Pairs
01:36 UTC
The calm after the storm. Landscape & Stick Agate
14:24 UTC
A lump of Cinnabar Mercury ore from Nevada
21:39 UTC
Osmium has the highest density of any element; with an SG of 22.587, one cubic foot weighs 1410 pounds
06:29 UTC
Garnet, Ruby, Green/blue Sapphire, and Emeralds
06:55 UTC
I apologize for posting one after the other. But I think you should see this. I'm excited. Nature's marvelous art.
07:36 UTC
Druzy & Moss Agate
10:42 UTC
The wonderful shapes found in Bryce Canyon National Park [OC] [5184x3456]
19:01 UTC
The Hoodoos of Bryce Canyon, revealed by snow
18:07 UTC
Rainbows of Sandstone on “The Fire Wave” Loop Trail
16:07 UTC
Valley of Fire State Park, NV
A photo I took over the weekend of “The Cabins” with Fire in the background and an arch in the foreground.
12:37 UTC
Greenstone adze (pre-European) from New Zealand [800 x 250]
05:55 UTC
A rare reappearance of Lake Manly, Death Valley, California, as viewed from Dante's View.
00:35 UTC
Furnace Creek Formation, playa and playa margin rocks of Furnace Creek basin, Death Valley, California. A strong southwest wind kicking up salt and sand over the Cottonball Basin.
00:32 UTC
Dendritic psilomelane from Türkiye.
17:05 UTC
Fossil rich limestone, Trek Cliff Cavern, Castleton, UK
12:52 UTC
Staurolite porphyroblast in XPL
Thought I'd share one of my favorite thin sections from my igmetpet lab. The muscovite look like exotic bird feathers.
07:39 UTC
Nature is magnificent. Agate nodule
05:48 UTC
Nice piece of malachite
:)
10:07 UTC
Flower Agate 🌺 🪨
Found in a local market in Asheville Snagged it for 5$ #WereInLove😍
22:18 UTC
Stick / Tube Agate Pair
05:49 UTC
Tom Miner Basin petrified wood
From a friend's private collection
22:42 UTC
There are interesting stick formations. The formations at the top, which look like explosions, are superposition of tiny crystallized formations like spheres. Interesting Stick & Dot Agate
11:08 UTC