My son and his friend were throwing rocks at each other like idiots and this one popped open1mo ⋅ tigertoothdada ⋅ r/whatsthisrock
Found in the washed up rocks on the bank of a tiny island in the middle of Pickwick Lack, Mississippi USA.7mo ⋅ elderfarms ⋅ r/whatsthisrock
What a beautiful sight. Found in northeast Pennsylvania. No ID necessary, just sharing it with folks who would appreciate it.10mo ⋅ 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!7mo ⋅ gingerita ⋅ r/whatsthisrock
Highest peak of a Pacific Northwest logging road was covered in this green crystalline rock. What is it?3mo ⋅ newt_imeline ⋅ 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
Couple weeks ago I helped a homeowner in my building fix a problem inside of his unit. This morning at my front door of my office is a package postmarked from Indonesia. I recognized it was the homeowner I helped a couple weeks ago. I open it to find this beautiful slab of onyx!5mo ⋅ MicahRockjunky ⋅ r/whatsthisrock
In response to my other post, these are what I actually use to identify rocks. Cheap and great material for any rock hound new and old!3mo ⋅ rufotris ⋅ r/whatsthisrock
What kind of rock is this? Found in the mountains in Wyoming/Montana1yr ⋅ AMiniMinotaur ⋅ r/whatsthisrock
Found on west coast of Newfoundland. Not very heavy, matte in colour.9mo ⋅ i_like_your_purse ⋅ r/whatsthisrock
No ID needed. Just thought you would all enjoy this limestone nodule.1yr ⋅ MassGootz ⋅ r/whatsthisrock
I know it has pyrite but I’ve never seen something so beautiful.1mo ⋅ Wrong_Password_no2 ⋅ 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.8mo ⋅ nitsar72 ⋅ r/whatsthisrock
I found this rock thing that looks like it has wires growing out of it. Does anyone know what this is?11mo ⋅ BobboB1901375820 ⋅ 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.10mo ⋅ 13mac13 ⋅ r/whatsthisrock
Rock found while digging. Incredibly heavy for its size as well. What is this?1yr ⋅ The_OtherDouche ⋅ r/whatsthisrock
Any idea what these could be ? Light in weight for their size. Shipped from China.9mo ⋅ 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?10mo ⋅ 13mac13 ⋅ r/whatsthisrock
Side of a (triangular?) boulder found outside of Ouray, CO near a hiking trail. Video in comments.11mo ⋅ Kykovic ⋅ r/whatsthisrock
My friend found this rock on the shore of lake Ontario. What is it?1yr ⋅ eternal_n0mad ⋅ r/whatsthisrock
Left the place I saw this without asking, was priced at $40 and wondered if it’s real?5mo ⋅ plantsarewhereitsat ⋅ r/whatsthisrock
Was walking thru a stream in SE PA and turned a corner to an island full of these. The stone in the pic is wet but all of them range from light blue to dark blue. What rock is this?2wk ⋅ 12kdaysinthefire ⋅ r/whatsthisrock
Re posting because I can’t spell carved heart lol but it is a red vein jasper.4mo ⋅ beckysmoonbeams ⋅ 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?11mo ⋅ TheonlyDrCashew ⋅ r/whatsthisrock
Found at Natural Bridge, VA (A Large Limestone Arch) What’s the crystal and how did the inclusion form?5mo ⋅ tmcnix ⋅ r/whatsthisrock
Found in northern Canada. Shimmers only the sunlight. Can anyone help identify?1yr ⋅ zerofucks2020 ⋅ r/whatsthisrock
Found these 2 crystals in the dirt, in Israel, pretty sure its calcite.9mo ⋅ s_wipe ⋅ r/whatsthisrock
Found on the beach on Lake Michigan. It almost looks painted on lol2mo ⋅ anno_datum ⋅ r/whatsthisrock
Triangular indentations in a creek rock. Fingers for scale. Indentations are about half cm deep, probably less. What could have caused this?3mo ⋅ anotherdamnscorpio ⋅ r/whatsthisrock
So my grandmother left behind half a dozen loose gemstones, with no notes.3mo ⋅ Ghosttwo ⋅ 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?1yr ⋅ _moist-finger_ ⋅ r/whatsthisrock
Rural Clay County, Kentucky. Appears to be a rock. Any guesses what this could be?4mo ⋅ MetaHelvetica ⋅ r/whatsthisrock
Found this 5 years ago in the Eilat mountains, someone can identify?11mo ⋅ benmor35 ⋅ r/whatsthisrock
What's this black/lilac rock? It has a red line. Sadly, it's origin is unknown11mo ⋅ LaserrGirl ⋅ r/whatsthisrock
This gem was on display in the Carnegie museum of natural history in Pittsburgh, but had no ID or anything.1mo ⋅ Ravenclaw_14 ⋅ r/whatsthisrock
Dear mods- it would probably be helpful to sticky this mohs hardness guide for people9mo ⋅ snbrd512 ⋅ 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.5mo ⋅ HolyHummingbirds ⋅ r/whatsthisrock
My son found this on the bank of the Colorado River in De Beque, CO. Turtle Rock is what he named it.3mo ⋅ ilikepintobeans ⋅ r/whatsthisrock
What caused this rock formation? Found at a beach in southern Australia.1yr ⋅ MysteriousBirdie ⋅ 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?3mo ⋅ Sweetbadger ⋅ 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?11mo ⋅ RangerZA ⋅ r/whatsthisrock
Found on the Yellowstone River, MT. Feels rough like sandstone.1yr ⋅ basshead_queen2 ⋅ r/whatsthisrock
Here are the two Fossilized coral pictures. I could not figure out how to add to the original post.1yr ⋅ 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 ?1yr ⋅ Munkec2 ⋅ 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 cleaning1yr ⋅ 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.1yr ⋅ iseekitty ⋅ r/whatsthisrock
Rock pic posted by Perseverance rover today. Location: Mars! See comments for link to tweet4mo ⋅ alexipd99 ⋅ 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 Kosovo10mo ⋅ noodlishh ⋅ r/whatsthisrock
Fossil? Agate? Someone’s craft project? I’m clueless - Maybe you can help?1yr ⋅ blockhose ⋅ r/whatsthisrock
Found near a coastal coal seam, it giving me Russian nesting doll vibes.6mo ⋅ rossnotsoboss ⋅ r/whatsthisrock
Curious find - Semi-translucent green rock with purple striations. The stripe bends 60 degrees exactly within the sample2mo ⋅ he-he-he-yup ⋅ r/whatsthisrock
Really striking contrast white and deep green. Measures about 4”x3.5”.1yr ⋅ bettak30 ⋅ r/whatsthisrock
Dredged up from the North Sea by my great grandad. It’s about 20cm long and looks like glass filled with bubbles.1yr ⋅ Matterbox ⋅ 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)6mo ⋅ 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?5mo ⋅ BartyCrouchesBone ⋅ r/whatsthisrock
I found this cut and polished stone while thrifting with my UV light. I can't seem to find an answer on Google. What's this rock?2mo ⋅ Miraliedoggie ⋅ r/whatsthisrock
Not even curious... (maybe about the orange tongue only).... just wanted to share during this wild time because it gave me a laugh1yr ⋅ sssss2019 ⋅ r/whatsthisrock
Found this one on a beach in northern california (Sonoma county). Never seen one like it...1yr ⋅ SquashNut707 ⋅ 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?1yr ⋅ 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?1yr ⋅ 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.1yr ⋅ BloodlessArcanist ⋅ r/whatsthisrock
Worked at a house and the homeowner had this rock. She didnt know what kind it was. Found in Texas.1yr ⋅ goodrich28 ⋅ r/whatsthisrock
Found in a net while fishing for scallops off Canada's east coast.4mo ⋅ averagedickdude ⋅ r/whatsthisrock
Got this in New Hampshire, I think the guy mentioned it was from a river?1yr ⋅ Bxrnes ⋅ 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?1yr ⋅ PerryChan_02 ⋅ r/whatsthisrock
Is this Azurite malachite? I can't stop looking at it. Sooooo perty!1yr ⋅ greeneyebea ⋅ r/whatsthisrock
