My uncle found this rock in 1947 during a dig in midtown Manhattan for a new building. He thinks it’s something, his wife just thinks it’s a dumb rock. Help!6mo ⋅ Mother-Gap8037 ⋅ r/whatsthisrock
Curious to know how this rock was formed. Found on a Lyme Regis beach, UK.9mo ⋅ FitYesterday5063 ⋅ r/whatsthisrock
Property owner claims this is a meteorite. Consensus on post yesterday (video) is petrified wood. It is magnetic though so I’m at a loss7mo ⋅ buttfuzzz ⋅ r/whatsthisrock
This was labeled in my mom’s collection as Pyrite, but... no? Any ideas?6mo ⋅ Puttyhead ⋅ r/whatsthisrock
Here’s another shot of the blue rock since you can’t tell in the previous post5mo ⋅ Significant-Store886 ⋅ r/whatsthisrock
Gf's deceased grandmother's ring was passed down to her from gf's mother. Wondering what stone this is.8mo ⋅ chrisbrownspunch ⋅ r/whatsthisrock
Hello I found this on a beach in northern France. It smells funny but apart from that I have no idea what it is.2mo ⋅ Recent-Screen-1594 ⋅ r/whatsthisrock
All found in a racket ball sized rock that broke fairly easily. In a river bed western Mass.5mo ⋅ dancindead ⋅ r/whatsthisrock
Can someone help identify this rock I found on the jobsite5mo ⋅ Significant-Store886 ⋅ r/whatsthisrock
Post removed from r/whatisthisthing, was told to post here. Found in the backyard while cutting grass at our new house. Hard, dense material, almost feels like glass.5mo ⋅ philmynuts ⋅ r/whatsthisrock
Taken from another subreddit. Everyone is saying it's fluorite but I swear this is Chevron amethyst. Am I going insane?7mo ⋅ gorehwore ⋅ r/whatsthisrock
What’s this rock? Found it behind a toilet in the gas station.7mo ⋅ Ecommtryhardjoe ⋅ r/whatsthisrock
Update on the rainbow obsidian I found in a gravel pile: I cut and polished it. Thank you all for your help on identifying it!5mo ⋅ HomeTeapot ⋅ r/whatsthisrock
This fell from the sky with a trail of smoke when i was a kid. Everyone I have asked says its impossible for a meteorite to be made of peacock ore (chalcopyrite/bornite)5mo ⋅ Fract00l ⋅ r/whatsthisrock
Lake Superior find, I know it is not techically a rock, but it is neat how the lake shaped this into one2yr ⋅ Inevitable-Ad6646 ⋅ r/whatsthisrock
If someone posted I just spent $8,240 on this and I want to make sure it is a real monatomic andara crystal, along with this photo, what would you say?9mo ⋅ nerdkraftnomad ⋅ r/whatsthisrock
I'm trying to figure out why this would be $25 at Goodwill. Any ideas?2mo ⋅ mariachipatron ⋅ r/whatsthisrock
My son and his friend were throwing rocks at each other like idiots and this one popped open3yr ⋅ tigertoothdada ⋅ r/whatsthisrock
Could this be a crystallised fossil? Found in Wales in an area popular for finding fossils1yr ⋅ Sweows ⋅ r/whatsthisrock
My friend sent me this pic of a rock she found on the beach i have no idea what it could be, any thoughts?7mo ⋅ TurantulaHugs1421 ⋅ r/whatsthisrock
Since somebody posted their penis rocks earlier, I thought I’d post mine: Found at the shore of a lake in NW Montana3mo ⋅ Spinmove55 ⋅ r/whatsthisrock
How do I choose which rocks to carry home from the beach tho? They are all gorgeous and smooth.1yr ⋅ LynxSys ⋅ r/whatsthisrock
My grandma passed and I got these, I don’t know what they are, if it helps they were stored in some type of liquid when I got them1yr ⋅ Lad_consumer ⋅ r/whatsthisrock
Very important blue rock identification (a lighthearted, reposted search for your day)2yr ⋅ VisceralSardonic ⋅ r/whatsthisrock
Someone on Facebook claimed this to be a meteor. What do you guys think?8mo ⋅ Wear_A_Damn_Helmet ⋅ r/whatsthisrock
Mower blade hit this seemingly normal rock, but revealed it to be very sparkly inside.1yr ⋅ Wendigo_Herder ⋅ r/whatsthisrock
I got a geode opened at our local Texas gem and mineral show. The guy said the pink inside was extremely rare and tried to buy it back from me immediately. I didn’t sell obviously. Can anyone tell me what the pink inclusion may be? It’s very shiny.1yr ⋅ DNRmygoldfish ⋅ 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!3yr ⋅ gingerita ⋅ r/whatsthisrock
My friend and I found this after cracking open a rock in a creek behind my house, what is it?5mo ⋅ DoughMortage ⋅ r/whatsthisrock
Real or photoshop? Seen on Facebook, does salt come in all these colors?1yr ⋅ Ok_Square5682 ⋅ r/whatsthisrock
Found in an old stream bed. Thought it was a piece of log till I touched it.8mo ⋅ krieger4570mt ⋅ r/whatsthisrock
Shop said they’re both Pearl but I don’t know anything about pearls7mo ⋅ Ashen-Paper-Wings ⋅ r/whatsthisrock
Any ideas if this is Rose quartz or something else? Northern New Jersey on a mountain lakeside1yr ⋅ GangrenousGreen ⋅ r/whatsthisrock
Mods, delete if not allowed. Not my image. My wife found this and we'd love to get a professional take on what exactly we're looking at. Apparently a recent find in Iran.5mo ⋅ Ciarrai_IRL ⋅ r/whatsthisrock
Is this a fossil? Found many of these at approx. 13,000 ft elevation near Breckenridge, CO.7mo ⋅ Achilleonn ⋅ r/whatsthisrock
Found in the suburbs of the city of Moscow. I don't understand what it is.10mo ⋅ notboycot ⋅ r/whatsthisrock
I stumbled upon this while walking on a mountain. The colours and the crystal-like formation embedded in the rock picked my interest so I took it. What is it?4mo ⋅ Kitsosp ⋅ r/whatsthisrock
Can anyone help me to identify this lump of wax found on the beach? Is it ambergris?10mo ⋅ Loopylupz ⋅ r/whatsthisrock
I found this in San Antonio, Texas last year and just kept it because it felt special! I posted on twitter and they sent me here. Is it just a reflective rock or is it worth getting cut?2yr ⋅ austynthehuman ⋅ r/whatsthisrock
Found this random crystal thing while walking,20cm ruler for scale.8mo ⋅ DestructoMan67 ⋅ r/whatsthisrock
This old rock sat in the yard for years unnoticed and appearing opaque, until I shined a light through it.2yr ⋅ The_pun_fart ⋅ r/whatsthisrock
Found in The sea just outsider Malmø Sweden. Solid rock. Hollow at bottom end.What it s please?7mo ⋅ vixen-portia ⋅ r/whatsthisrock
Finding many rocks with small holes filled with sparkly crystal inside. Lake Superior, MN side11mo ⋅ kmbell333 ⋅ r/whatsthisrock
Was going through my great grandfather archaeological tools and found this wierd rocks1yr ⋅ oilmansk ⋅ r/whatsthisrock
What a beautiful sight. Found in northeast Pennsylvania. No ID necessary, just sharing it with folks who would appreciate it.3yr ⋅ madmatttt ⋅ r/whatsthisrock
Did I actually just find an agate in this rock bed at my parents house?9mo ⋅ taytaynicki ⋅ r/whatsthisrock
What is this? A poster on Facebook says it’s grape agate she found on the beach, but she lives in the UK so that’s literally impossible unless someone dropped theirs.2mo ⋅ Orchid_Significant ⋅ r/whatsthisrock
Anybody have a clue? Birmingham, AL area off the side of a very rocky soils, mostly undisturbed mountain side. It was pretty deep, not sure exactly how deep though.1yr ⋅ forester_au_93 ⋅ r/whatsthisrock
Bought this at a thrift store, I don't know enough about it to even guess.1yr ⋅ Nephdaddy8 ⋅ r/whatsthisrock
Found this rock on a job site this found in Piedmont Region, VA1yr ⋅ TheDysonVacuum ⋅ r/whatsthisrock
My dad was a geologist and I found these in his rock collection. I tried searching the internet but could not come up with anything. The balls are slightly darker in real life, not quite so copper colored. They are metalic1yr ⋅ 801Stranger ⋅ r/whatsthisrock
One of my pickups from a local estate sale today, for a steal of a price. Would love for an ID3mo ⋅ AshxLuna ⋅ r/whatsthisrock
After posting on other subs I believe this is chert but my buddy still thinks it’s obsidian.3mo ⋅ Impossible-Dot-8742 ⋅ r/whatsthisrock
Found at an estate sale as was wondering if anyone could help identify.1yr ⋅ Electrical_Ball6118 ⋅ r/whatsthisrock
Found this rock in a river while working. Weight around 15 pounds.1yr ⋅ JacoboAriel ⋅ r/whatsthisrock
Found this rock up the mountain in a creek near Cedar City, UT (USA). Any idea on what it is? 1mo ⋅ noconn36 ⋅ r/whatsthisrock
I cracked open a geode and found this yellow formation inside. Anyone know what it is? (Found near Cave City, KY)1yr ⋅ yeetmetothemoon42069 ⋅ r/whatsthisrock
Found this flat glowing rock in a mountain with layers of rocks10mo ⋅ Weekly_Persimmon_838 ⋅ r/whatsthisrock
This Geode I got for Christmas? Parents said it shipped from India?1yr ⋅ Lipstick_Chateau ⋅ r/whatsthisrock
Just got this from my grandparents, and I have no idea what it is could someone ID?1yr ⋅ Boogie_Bug ⋅ r/whatsthisrock
Found this for $5 at a goodwill in Texas. Filled with hundreds of stones. So excited to go through them.4yr ⋅ Denabby ⋅ r/whatsthisrock
We have this rock on display and constantly get asked what it is.5mo ⋅ Feralchicken01 ⋅ 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!3yr ⋅ rufotris ⋅ r/whatsthisrock
Found this in a northeastern Oklahoma creek bed anyone know what it is2yr ⋅ Pchitt09 ⋅ r/whatsthisrock
