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!)3yr ⋅ birdieboo21 ⋅ r/whatsthisrock
I found all these on a single trip to a single beach in Oregon. The holes are natural. Does anyone have more info on any of them? I feel these were gifts from nature, the day turned into a spiritual one for me. Thanks for any info.3yr ⋅ ShanHu ⋅ 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 creekbed4yr ⋅ YankmasterP ⋅ 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!4yr ⋅ peachy_dee ⋅ r/whatsthisrock
guy i bought this from said it was moonstone but i thought it was just opalite. idk rocks and manmade stuff enough so i wanted to know anyone could identify it? or if it’s just glass1yr ⋅ International-Quiet1 ⋅ r/whatsthisrock
What are these inclusions in limestone? It's on a carsic hill with pure cretaceous limestone.4yr ⋅ natsws ⋅ r/whatsthisrock
Hey all! Found this rock on the beach on Block Island, RI (Atlantic Ocean coastline. You can almost see through it. There are striated grooves as well as little craters. Top left is held under light to show there are very little obvious minerals within it. Any ideas?2yr ⋅ xxxFluffxxx ⋅ r/whatsthisrock
Casually surfing social networks and I saw them, is it real?3wk ⋅ Several-Driver-6209 ⋅ r/whatsthisrock
found on the shore of Foys Lake, Montana (the lake is formed by glaciers)3yr ⋅ cake-hat ⋅ 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?4yr ⋅ 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 States4yr ⋅ Bootyfullkd ⋅ r/whatsthisrock
This is not my photo or crystal, so I have no hints of what it could be.2yr ⋅ jadernx ⋅ r/whatsthisrock
What kind of rock is this? I’m a novice but am looking to learn :)6mo ⋅ crumpledtroll ⋅ r/whatsthisrock
Friend gave this to me after hearing I was a big Steven Universe fan. What is it?1yr ⋅ Sloth_4 ⋅ r/whatsthisrock
Incredibly heavy found in north Texas. Iron does not scratch it.3yr ⋅ prince_tatertot ⋅ r/whatsthisrock
I got this beautiful crystal from my friend. It might be from Switzerland but I am not sure. Would be happy for any further information :)2yr ⋅ Affectionate-View-61 ⋅ 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.4yr ⋅ Pareeeee ⋅ r/whatsthisrock
Found by Gf’s apartment building, assuming it’s a geode of some sort?4yr ⋅ ElmerGluedToCouch ⋅ 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?4yr ⋅ sleepycat33 ⋅ r/whatsthisrock
ID needed. Bought from local harvesters in Spitzkoppe, Namibia.10mo ⋅ undercurrents ⋅ r/whatsthisrock
Big agate vein I found and am working on mining out. It’s at least 10 feet long4yr ⋅ Benji_Stash87 ⋅ r/whatsthisrock
Found this at a thrift store for $5. Not sure what type of crystal it is???3yr ⋅ sammygunnz ⋅ r/whatsthisrock
Found this years ago in a driveway. What's up with the perfect circle and flower shape?2mo ⋅ ha-iley ⋅ r/whatsthisrock
This came in as an Amethyst Stalactite slice from Uruguay. Is this a combination of Chalcedony and Agate? It looks so much different than the others.11mo ⋅ TheCrystalGarden ⋅ r/whatsthisrock
Oval orange stone with crystal center found in friable surrounding rock. It was found amongst many others like it- link in comments4yr ⋅ punterchattingguff ⋅ r/whatsthisrock
Got this a while back and I don’t know what kind of Crystal it is. Any help would be appreciated.3yr ⋅ djkool241 ⋅ r/whatsthisrock
I found this rock years ago in a pile of gravel and still don’t know why it is like that4yr ⋅ Yz4K ⋅ r/whatsthisrock
I found it in this geode, it's a really light purple. Could this be amethyst?4yr ⋅ sabakunoichigo ⋅ r/whatsthisrock
over a year ago i asked if people could help identify the stone originally in this ring. i just wanna thank everyone that gave some advice bc over a year later i finally replaced it :)3yr ⋅ lnacho01 ⋅ r/whatsthisrock
What are these single rocks in people's front yard? A few people on my street have them with nothing else around. Any ideas? In Massachusetts if that matters.8mo ⋅ Honest_Dragonfruit11 ⋅ r/whatsthisrock
What is this stone structure I found in the woods in East Oklahoma?2yr ⋅ inquisitrix- ⋅ r/whatsthisrock
Please help me identify this rock (I think it’s a rock) was found in E. Central Missouri (S. of Missouri River)can you help identify4yr ⋅ bronzeback77 ⋅ r/whatsthisrock
Badlands National Park, found it on top of a washed out area. We put it back after taking a picture.1yr ⋅ durhap ⋅ r/whatsthisrock
Is it really citrine? It looks like slag to me but maby it was just cut that way1yr ⋅ AlpakaMati ⋅ r/whatsthisrock
anyone knows what this thing is? my boyfriend keeps finding rocks in his town and asks me what they are but i have no idea this time and i need help2yr ⋅ MayaRevach ⋅ r/whatsthisrock
found this awhile ago anyone know what type of rock it is? It’s really smooth and shiny and looks more purple in person. Kept it because I thought it looks like a shield8mo ⋅ chloemae127 ⋅ r/whatsthisrock
I bought some of this ‘honeycomb ruby’ recently, it’s very UV fluorescent and while it appears dyed I couldn’t remove any color with rubbing alcohol. It chips like stone and is pretty heavy for its weight. There’s no way it’s really ruby, but what in the world is it?2yr ⋅ RialtoWitcher ⋅ r/whatsthisrock
Opened up some geodes today, why is there a wizard hat in one of them?5mo ⋅ Appropriate-Row4804 ⋅ r/whatsthisrock
Husband bought this beauty for me and I have no idea what its susposed to be1yr ⋅ fallen-angel-forever ⋅ r/whatsthisrock
Grabbed this cool reddish cluster at a rock shop, but I can't remember what it is......2yr ⋅ k3rn3 ⋅ r/whatsthisrock
Rock from my grandparents. The white part is quartz but the golden one doesnt seem to be quartz because its not as hard.4yr ⋅ Sloyce46 ⋅ r/whatsthisrock
Found along a river in Austin, Texas. Haven’t been able to identify it, any thoughts?5yr ⋅ battypaige ⋅ r/whatsthisrock
what is this thing? my second time finding one in my yard, looks like a strange lime but is hard like a rock.2yr ⋅ frigoffrachel ⋅ r/whatsthisrock
Found in gravel at a job site near Eugene, OR. Cat paw for scale, I guess.4yr ⋅ danthebean11 ⋅ r/whatsthisrock
Husband found this mysterious metallic rock. It’s lightweight and after googling around we have only found other threads of people hunting for answers. One person discovered it melts ice very quickly, we tested it and it does indeed melt ice very quickly.3yr ⋅ ashollie1107 ⋅ r/whatsthisrock
I found this stone in graveyard at Turkey, don't know what the writings says I don't even know what is this probably gravestone and there is plenty of this stones pls help.1yr ⋅ Huge-Grand6726 ⋅ r/whatsthisrock
is this a rock/stone/mineral? Any way I can tell? if so, any guesses as to what it is? (Item 2 of 2 - sorry!)1yr ⋅ lizanardo ⋅ r/whatsthisrock
Anyone identify this weird glass like materials with moving bubble stuck inside?11mo ⋅ Browny4827 ⋅ r/whatsthisrock
Some more stones I found at the river today! Some kind of quartz maybe?3yr ⋅ shookkiwii ⋅ r/whatsthisrock
Found this hiking in a hillside in Kamloops, BC. I believe the white crystals are quartz, but can anyone identify the green mineral?4yr ⋅ ashole98 ⋅ r/whatsthisrock
Strange rock formation on the side of a cliff in Armenia. How does something like this form?4yr ⋅ wvxx_ ⋅ r/whatsthisrock
Interesting quartz (?) lines on basalt? Found on the central Oregon Coast.3yr ⋅ chieftenderloin ⋅ r/whatsthisrock
Got delivered a bunch of slate stone for the yard and found this - what is it? Feel pretty heavy, heavier than the rock itself3yr ⋅ qillerneu ⋅ r/whatsthisrock
Any idea what this could be? Given to me by a neighbor after cleaning out his late father's house. Southern California4yr ⋅ Willipedia ⋅ r/whatsthisrock
Petrified wood? Found In Northern California at around 7000 feet up2yr ⋅ classicstoner ⋅ r/whatsthisrock
Can anyone tell me what this is? Found in a bucket of rocks in Oklahoma but could've come from anywhere1yr ⋅ wombat187 ⋅ r/whatsthisrock
Found this in southern Utah in a creek bed. any idea what this is?10mo ⋅ Realistic-Fun9936 ⋅ r/whatsthisrock
What’s this type of weathering called again? The one where the heat of the sun expands the sunward portion of the rock until one day it fractures? (pinecones added for flavor)10mo ⋅ captaintinnitus ⋅ r/whatsthisrock
Got this egg from a friend as a gift, its sat on my shelf for years, just curious what it is3yr ⋅ RebelJudas ⋅ r/whatsthisrock
Meta Humor: What's This Rock bingo card! Thanks to everyone who included suggestions in my early version, I tried to include as many as I could! This is not meant as a slam on anyone, BTW - we all have been rock noobs. Let those of us without (ob)SI(dia)N cast the first stone! ;)3yr ⋅ Gnatlet2point0 ⋅ r/whatsthisrock
Real or Fake Aquamarine? I’m new to collecting and saw this cluster being sold at an affordable price. Is it real or fake? Any tips on spotting future real from fake would be appreciated!2yr ⋅ Brilliant_Hazeglobal ⋅ r/whatsthisrock
can anyone tell me what this rock is it heavier than steel and magnetic10mo ⋅ Isf0xy ⋅ r/whatsthisrock
