Found in the washed up rocks on the bank of a tiny island in the middle of Pickwick Lack, Mississippi USA.2mo · elderfarms · r/whatsthisrock
What a beautiful sight. Found in northeast Pennsylvania. No ID necessary, just sharing it with folks who would appreciate it.5mo · madmatttt · r/whatsthisrock
I tried Google Lens on a few specimens to see how accurate it is for mineral identification. It identified my green fluorite as meth...hmmm, that might explain my addiction!1mo · gingerita · r/whatsthisrock
Found this for $5 at a goodwill in Texas. Filled with hundreds of stones. So excited to go through them.1yr · Denabby · r/whatsthisrock
What kind of rock is this? Found in the mountains in Wyoming/Montana7mo · AMiniMinotaur · r/whatsthisrock
Found on west coast of Newfoundland. Not very heavy, matte in colour.4mo · i_like_your_purse · r/whatsthisrock
No ID needed. Just thought you would all enjoy this limestone nodule.1yr · MassGootz · r/whatsthisrock
I found this rock thing that looks like it has wires growing out of it. Does anyone know what this is?6mo · BobboB1901375820 · r/whatsthisrock
I like to collect heart shaped rocks but this is my first heart shape in a rock! Just wanted to share, no ID necessary.3mo · nitsar72 · r/whatsthisrock
Cut this open and was delighted. The red is so rich! What kind of minerals am I looking at here? Also thank you all! This community is glorious.5mo · 13mac13 · r/whatsthisrock
Rock found while digging. Incredibly heavy for its size as well. What is this?9mo · The_OtherDouche · r/whatsthisrock
Any idea what these could be ? Light in weight for their size. Shipped from China.3mo · BFordART · 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?5mo · 13mac13 · r/whatsthisrock
Side of a (triangular?) boulder found outside of Ouray, CO near a hiking trail. Video in comments.6mo · Kykovic · r/whatsthisrock
My friend found this rock on the shore of lake Ontario. What is it?8mo · eternal_n0mad · 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?6mo · TheonlyDrCashew · r/whatsthisrock
Left the place I saw this without asking, was priced at $40 and wondered if it’s real?4d · plantsarewhereitsat · r/whatsthisrock
Found in northern Canada. Shimmers only the sunlight. Can anyone help identify?7mo · zerofucks2020 · r/whatsthisrock
Found these 2 crystals in the dirt, in Israel, pretty sure its calcite.4mo · s_wipe · 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 19741yr · Alexander92W · r/whatsthisrock
My cousin's son found this on the beach, South England. Any ideas?8mo · _moist-finger_ · r/whatsthisrock
What's this black/lilac rock? It has a red line. Sadly, it's origin is unknown6mo · LaserrGirl · r/whatsthisrock
Dear mods- it would probably be helpful to sticky this mohs hardness guide for people4mo · snbrd512 · r/whatsthisrock
What caused this rock formation? Found at a beach in southern Australia.8mo · MysteriousBirdie · r/whatsthisrock
Anyone Identify what is going on in this rock? Just polished it and it looks alien??8mo · CognitiveHistorian · r/whatsthisrock
Found in the Northern Cape, South Africa. Grey rock shot through with what I can only describe as geological gummy worms. Any ideas on an ID please?5mo · RangerZA · r/whatsthisrock
Found on the Yellowstone River, MT. Feels rough like sandstone.9mo · basshead_queen2 · r/whatsthisrock
Here are the two Fossilized coral pictures. I could not figure out how to add to the original post.11mo · bronzeback77 · r/whatsthisrock
My 9yr old niece found this rock a year ago and noticed today that it can do this. Can anyone help identify what this is ?10mo · Munkec2 · 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.1wk · HolyHummingbirds · r/whatsthisrock
Found this in a shoe box in my recently-deceased grandfather's basement. It's rather heavy for its size. Any ideas?1yr · ButtPeppers · r/whatsthisrock
A friend found this rock in a creek in North Carolina - the designs don’t come off during cleaning6mo · succulover · r/whatsthisrock
100 year old heirloom. 10 pound beast. Mom thinks it's aquamarine and I'm afraid I might have to tell her it's slag. Lighter for scale.8mo · iseekitty · r/whatsthisrock
Fossil? Agate? Someone’s craft project? I’m clueless - Maybe you can help?9mo · blockhose · r/whatsthisrock
This is so interesting, but i am not sure if it is Red Jasper or is it something else, Also it was found in Kosovo5mo · noodlishh · r/whatsthisrock
Found near a coastal coal seam, it giving me Russian nesting doll vibes.1mo · rossnotsoboss · r/whatsthisrock
Dredged up from the North Sea by my great grandad. It’s about 20cm long and looks like glass filled with bubbles.8mo · Matterbox · r/whatsthisrock
Really striking contrast white and deep green. Measures about 4”x3.5”.10mo · bettak30 · r/whatsthisrock
Not even curious... (maybe about the orange tongue only).... just wanted to share during this wild time because it gave me a laugh11mo · sssss2019 · r/whatsthisrock
Found this one on a beach in northern california (Sonoma county). Never seen one like it...7mo · SquashNut707 · r/whatsthisrock
For those wondering about their lapis, here is a color spread showing variants: Intense blue to whitewashed blue jeans to downright turquoise. Yes, it's all lapis. Lighter lapis often goes by the trade name of denim lapis. (Crayons for color reference)2wk · CountofAccount · r/whatsthisrock
Got a bunch of un-identified rocks today! I’ve seen this before but I can’t recall what it is- can anyone help me?1wk · BartyCrouchesBone · r/whatsthisrock
Found this on the beach in the pacific northwest. Perfect circles only appear on out perimeter of rock. Any clue?1yr · Jerdom · r/whatsthisrock
My Cousin Works for the PETRIFIED FOREST SERVICE in Arizona. He sent me this picture, and I thought I'd share it here. (Sticking out of the Sandstone)1yr · ThatsJustTheTip_ · r/whatsthisrock
Found this rock/mineral lodged in the dirt on the side of my house. What is it?7mo · Ginja_Ninja2 · r/whatsthisrock
This is a piece of my childhood, from a trip to Sequoia National Park. Yes I got it at a tourist shop, but it’s one of my favorites. Anyone know what it is and if it’s naturally this color?8mo · dreamingirl7 · r/whatsthisrock
Found a bunch of these in a creek in TN. Split a few open, is it a really old nut?? Inside is powdery and soft.10mo · BloodlessArcanist · r/whatsthisrock
Got this in New Hampshire, I think the guy mentioned it was from a river?9mo · Bxrnes · r/whatsthisrock
Worked at a house and the homeowner had this rock. She didnt know what kind it was. Found in Texas.10mo · goodrich28 · r/whatsthisrock
when me and my family cleared my grandparents apartment. Looks cool. Doesn't whisper into my head at night, but looks like it might. Anyone knows what it is?9mo · PerryChan_02 · r/whatsthisrock
Is this Azurite malachite? I can't stop looking at it. Sooooo perty!1yr · greeneyebea · r/whatsthisrock
Why does this geode not have crystals? Would there be anything further inside?6mo · SassyCephalopods · r/whatsthisrock
A friend found this while planting trees in Arizona, 3,300 feet above sea level. Does anyone know what language this is? How old, etc?9mo · high-ponytail · r/whatsthisrock
Found in Chertsey, Surrey, England. Funky colouring and what looks like a shell?7mo · GlitteringCaramel5 · r/whatsthisrock
Found these stones in Hyde Park, London, just dropped on the ground7mo · mrJack_3791 · r/whatsthisrock
My grandfather gave me this rock. It's said to be from Katowice, Poland. Do you have any idea what kind of ore is this?9mo · Rik03 · r/whatsthisrock
Meteorite-like Object Falls From Sky In Rajasthan, Leaves Residents Perplexed, A local jeweller, who examined it in presence of police and administration, claimed that the object has metallic properties of Germanium, Platinium, Nickel and Iron with the major share.9mo · justchillar · r/whatsthisrock
Found this in Lake Michigan. It looks like it’s honey combed all the way through. Anyone have an idea what it is?9mo · VendlingMachine · r/whatsthisrock
Amber with tiny lizard? Not sure if it is a lizard or newt or salamander. I don't know how to post a video with this same post but maybe I can in the comments. Also, is this the place to post this or is there an amber subreddit that would be better?1yr · ZenArtistBlue · r/whatsthisrock
What could this be? No idea of geographical origin unfortunately.9mo · strahlungsfluss · r/whatsthisrock
A friend found this in his garden...it's obviously a deep green glass so I assumed slag. But slag wouldn't have the rock layers throughout, nor the little white 'beads', right? I've found some ideas online, but curious to hear what y'all think. I'm in love with this rock!9mo · DoctorAftershave · r/whatsthisrock
Obtained near Atlas mountains, Morocco, any ideas on specifics and pricing?1yr · Heparanase · r/whatsthisrock
Previous homeowner was a concrete worker for the city and collected rocks. Found two of these in a collection/pile and are currently in my aquarium. Location is Mpls, MN if that helps.11mo · KRAKULHU66 · r/whatsthisrock
Don't know if this counts but what is this rock, it has a different inside than the outside1yr · termsofuse1 · r/whatsthisrock
Could this be a Red Fox Agate from Patagonia? I have more photos and videos to share but I am new to using Reddit10mo · rockhoundgrimm · r/whatsthisrock
What is this rock my brother picked up when we were hiking in the mountains6mo · The-high-ground- · r/whatsthisrock
First attempt it ID rocks with the kids, how did we do? (Dublin coast, Ireland)1mo · mickod · r/whatsthisrock
Found these today in Medina County, Texas. The property is on the side of a cliff that was leveled out for a house and this stuff was everywhere!8mo · peachy_dee · r/whatsthisrock
What are these inclusions in limestone? It's on a carsic hill with pure cretaceous limestone.8mo · natsws · r/whatsthisrock
Oreo like rock, very uniform and smooth one end open with this white inclusion, dense, very minor shine on the white, Central Indiana creekbed10mo · YankmasterP · r/whatsthisrock
I found this in a small bag in a jewellers box. I tested it on glass, and now my window has a scratch, but nothing came off the stone. Could it be a ruby?10mo · Thom_05 · r/whatsthisrock
I’ve stumped the local experts! Help! Turquoise/Mayan Blue rocks with a hardness of about a 5 or 6 some pieces are turquoise but some look like this ..... found this on a property I own in the southwest United States7mo · Bootyfullkd · r/whatsthisrock
Dug out my childhood mineral collection- anyone know this rock?! Adore the colours and would love to know.3wk · Pomlkab · r/whatsthisrock
Small crystals found in holes in limestone boulders on a riverbank in Ontario, Canada. Boulders were brought in from unknown location. Holes were approx 3 and largest crystals were approx 1/2 maximum length.11mo · Pareeeee · r/whatsthisrock
I found these small rocks with holes in them on a beach on Lake Ontario (NY side). They all look like sandstone, but the color and size of the rocks (and holes) vary. Why do they have holes?8mo · sleepycat33 · r/whatsthisrock
Found in Costa Rica on a rocky beach that is unknown to most people. I will post what i think these are in the comments. Im not an expert so they may all be wrong (except the bottom middle those are definitely clear quartz!)1mo · birdieboo21 · r/whatsthisrock
I found this rock years ago in a pile of gravel and still don’t know why it is like that1yr · Yz4K · r/whatsthisrock
