Girlfriend got this as a gift, any ideas what it is? We saur would be grateful for an answer!3mo ⋅ WalksWithAspen ⋅ r/whatsthisrock
I’m not even sure if this is a rock! Strange pink thing my mom bought at a tag sale thinking I would know what it is2yr ⋅ avarosiecakes ⋅ r/whatsthisrock
picked up at a gem show and forgot what the guy said this was.. any help would be appreciated!1yr ⋅ Seresue ⋅ r/whatsthisrock
My son wants to know what this rock is made of. I assumed it was glass, but he just showed me that it's magnetic, so now I'm not sure. Any ideas?1yr ⋅ Lunar_Cats ⋅ r/whatsthisrock
I got a big Collection of rocks/minerals that used to belong to a geologist before he died. He started to collect them in the 60s. Some of the cursive is hard to read so I’m gonna try to translate it later but I’m really scared that some of it might be toxic. Some of them are flaky/chalky1yr ⋅ Former_Risk_2_self ⋅ r/whatsthisrock
Found this green swirly rock while herding in the mountains of west iceland.2yr ⋅ remulean ⋅ r/whatsthisrock
Found these stones in (Nayarit, Mex) While excavating land for new homes. any guess on age?1yr ⋅ Superb_Individual_68 ⋅ r/whatsthisrock
My friend in CO. asked if I could ID this for them. Only picture I have. Thanks!2yr ⋅ 3dudes ⋅ r/whatsthisrock
Found this rock with turquoise spots on it. Found on Nova Scotia shoreline. In deserted area and appears not to be paint.1yr ⋅ 8CsOfSelf ⋅ r/whatsthisrock
Found in our back yard in eastern Tennessee - it is magnetic, and sparkles! We broke it open and it hissed...2yr ⋅ aDutchofMuch ⋅ r/whatsthisrock
Found this on a beach on the isle of white. Was just wondering what the purple lines are. Are they natural or painted?10mo ⋅ car-donny ⋅ r/whatsthisrock
Fossil or imprint? Found in an Ohio river while searching for arrowheads.1yr ⋅ guiltfish ⋅ r/whatsthisrock
This its a very nice mineral but i cant figure out what it is2yr ⋅ Consistent-Gap-7120 ⋅ r/whatsthisrock
I cut open another thunder egg from my friend in Oregon. It looks like something blew apart inside. What causes that’s sort of chaos?3yr ⋅ 13mac13 ⋅ r/whatsthisrock
I'm new to minerals so I think this is barite but I don't know what the grey is. Any help?9mo ⋅ marianamonteiro ⋅ r/whatsthisrock
Found on the beach on Lake Michigan. It almost looks painted on lol3yr ⋅ anno_datum ⋅ r/whatsthisrock
Bought this exemplary plume agate, and I'm wondering if it's a specific variety. Most searches are brown or grey.1yr ⋅ evasivegenius ⋅ r/whatsthisrock
What type of rock is it? Anybody has some idea what's mineral composition of thia compound?5mo ⋅ ZavarMalik ⋅ r/whatsthisrock
This gem was on display in the Carnegie museum of natural history in Pittsburgh, but had no ID or anything.3yr ⋅ Ravenclaw_14 ⋅ r/whatsthisrock
Found This on r/FiftyFifty. It said it was some kind of mineral. It looked really cool and I was wondering if anyone knew what kind of Mineral it was. If anyone has any idea of what it could be, it would be greatly appreciated!2yr ⋅ TeruteruSimp220 ⋅ r/whatsthisrock
what is this rock !!!! my friend said it was a golf ball but surely not1yr ⋅ ellathrowawaydawg ⋅ r/whatsthisrock
Left the place I saw this without asking, was priced at $40 and wondered if it’s real?3yr ⋅ plantsarewhereitsat ⋅ r/whatsthisrock
Daughter found this (fossil?) at providence canyon in Georgia 3wk ⋅ PowerfulDinner175 ⋅ r/whatsthisrock
What is this rock with an inscription? Found on family property, Colorado.5mo ⋅ EnvironmentalEgg1561 ⋅ r/whatsthisrock
Triangular indentations in a creek rock. Fingers for scale. Indentations are about half cm deep, probably less. What could have caused this?3yr ⋅ anotherdamnscorpio ⋅ r/whatsthisrock
Side of a (triangular?) boulder found outside of Ouray, CO near a hiking trail. Video in comments.3yr ⋅ Kykovic ⋅ r/whatsthisrock
Re posting because I can’t spell carved heart lol but it is a red vein jasper.3yr ⋅ beckysmoonbeams ⋅ r/whatsthisrock
Need help identifying this. I believe it is green obsidian but looking for some insight .2yr ⋅ GD5977 ⋅ r/whatsthisrock
My friend found this rock on the shore of lake Ontario. What is it?4yr ⋅ eternal_n0mad ⋅ r/whatsthisrock
So my grandmother left behind half a dozen loose gemstones, with no notes.3yr ⋅ Ghosttwo ⋅ r/whatsthisrock
Gave it to me from a friend who is about to move. Not sure if it's a real fossil? Were there really dinosaurs that small? Or is this a gecko?1yr ⋅ Arnold_8 ⋅ r/whatsthisrock
Found at Natural Bridge, VA (A Large Limestone Arch) What’s the crystal and how did the inclusion form?3yr ⋅ tmcnix ⋅ r/whatsthisrock
Is this fake? Seller said Greek blue obsidian, I didn’t pay much for it so it isn’t a big deal2yr ⋅ Bockncalltorture69 ⋅ r/whatsthisrock
I was willed a rockhound’s lifetime collection, and I’m completely overwhelmed.1yr ⋅ Succulent_Empress ⋅ r/whatsthisrock
Just found this rock I know is nothing special but can someone explain how all the marks get on it? Is it a fossil?3yr ⋅ Inevitable-true2842 ⋅ r/whatsthisrock
Part of a donation to our museum. We can’t find “wentzelite” anywhere. Any ideas?1yr ⋅ ShittySpiritAnimal ⋅ r/whatsthisrock
Please identify this rock that was found on my aunt’s shelf. Thank you.3yr ⋅ fla-n8tive ⋅ r/whatsthisrock
My dad came home with this ~30lb monster yesterday. His lifelong friend gave it to him while they were cleaning out his house; it was going to be tossed out. Supposedly dug up in Four Corners, New Mexico/Colorado in 19744yr ⋅ Alexander92W ⋅ r/whatsthisrock
Opened these geodes today. They were a gift. Any idea what the squiggly lined one is?2yr ⋅ tripdriptrip ⋅ r/whatsthisrock
Found these rocks near the summit of a mountain in Montana. What would cause them to be curvy like this?1yr ⋅ laspero ⋅ r/whatsthisrock
My daughter is giving this rock to a friend for her birthday. She wants to tell her what is called. Can you help?3yr ⋅ Sweetbadger ⋅ r/whatsthisrock
if we're doing not very interesting, I found this on a beach on Grand Manon island, and carried it UP a cliff.2yr ⋅ proscriptus ⋅ r/whatsthisrock
My girlfriend found this rock with geometric shapes near a small river in Portugal (Portagem, Portalegre area). It seems the rock contained some minerals or something? Anyone know what these geometric shapes are?3yr ⋅ TheonlyDrCashew ⋅ r/whatsthisrock
Hey, what’s this rock? Northwest Arkansas, lots of these gathered together in the middle of a river. I’d guess at least 1000lb. Tell me what it do to make the mash.2yr ⋅ JeffORelse ⋅ r/whatsthisrock
My son found this on the bank of the Colorado River in De Beque, CO. Turtle Rock is what he named it.3yr ⋅ ilikepintobeans ⋅ r/whatsthisrock
Found in northern Canada. Shimmers only the sunlight. Can anyone help identify?4yr ⋅ zerofucks2020 ⋅ r/whatsthisrock
I think this is agate, but i have never seen such formation. Can anyone verify?10mo ⋅ IMurdockI ⋅ r/whatsthisrock
Some kind of crystal in my father's new water bottle .. claims it to be black amethyst but from my googling that doesn't look quite right?2yr ⋅ Subscribble ⋅ r/whatsthisrock
Stone with a red “steak” like pattern on the top and bottom, but not sides. Is it painted? Size of a small coin.1yr ⋅ RetroWrestling ⋅ r/whatsthisrock
Found at a yard sale, can’t seem to figure out what it is...2yr ⋅ Hopeful_Contact923 ⋅ r/whatsthisrock
My wife found this next to a river in Lexington Virginia a few days ago1yr ⋅ generalstar227 ⋅ r/whatsthisrock
Found on a mountain in Phoenix. Next to a major wash but also a saguaro that was shot up. Very heavy and magnetic.1yr ⋅ SoMoHiker ⋅ r/whatsthisrock
ID on this rock please? Been sitting here for 60+ years and nobody knows what it is11mo ⋅ PrinterInkEnjoyer ⋅ r/whatsthisrock
Any ideas on this 20lbs monster found along the banks of a river in SW Washington?3yr ⋅ Mick0706 ⋅ r/whatsthisrock
Found a small bag of rocks caught in the dryer vent in a public laundry.2yr ⋅ RosieCrone ⋅ r/whatsthisrock
Is this Moldavite? It's being sold as it, but to me (a rock noob) it looks more like malachite1yr ⋅ ChillDolphin ⋅ r/whatsthisrock
As the group says; what is this rock? I found it in my way home from school yesterday it’s kinda greenish grey like the most minor hint of green1yr ⋅ Notwindexx ⋅ r/whatsthisrock
A wind blown rock I saw on Santa Rosa Island. I thought I would share! After a long day of hiking I sat down to eat lunch and saw this across the canyon from me. Nature is amazing.3yr ⋅ HolyHummingbirds ⋅ r/whatsthisrock
I'm thinking smokey quartz for the bottoms, but what are those black points?2yr ⋅ choberryfuru ⋅ r/whatsthisrock
wondering what this is- i’m almost positive it’s not green aventurine. was told it reduces anxiety2yr ⋅ ladyphrog ⋅ r/whatsthisrock
Sister purchased this stone, can anyone tell if it’s fake or not?1yr ⋅ Lucas-mainssbu ⋅ r/whatsthisrock
My cousin's son found this on the beach, South England. Any ideas?4yr ⋅ _moist-finger_ ⋅ r/whatsthisrock
What is this rock? I got it for 22€ at a street market, did I pay too much?1yr ⋅ ravenermi ⋅ r/whatsthisrock
Found these 2 crystals in the dirt, in Israel, pretty sure its calcite.3yr ⋅ s_wipe ⋅ r/whatsthisrock
What are the dark red spots here? Found in SE Colorado along a cliff by the Arkansas River1yr ⋅ rhinoceratop ⋅ r/whatsthisrock
what would you call this quartz? it's more greenish yellow than a regular golden spirit quartz/fairy quartz (the tip is quite green, hard to see in pics)1yr ⋅ moth-peach ⋅ r/whatsthisrock
