Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [identification-request]

For help in identifying objects such as rocks, minerals, clouds, etc. Please include as many details as possible.

1
vote
0answers
19 views

Is it an egg? What type of rock please?

This stone was found by my uncle in Western Queensland. It’s light brown in colour and smooth. It's very heavy for its size. 780 grams. Pocket knife doesn’t scratch it. many thanks.
1
vote
0answers
29 views

Help me identify my rock is it jade?

Found this rock it looks like a vein of Jade but I have no idea. This is the inside of the rock. I found it already broke the rock is wet in the pic. It's is a hard rough texture and the green in the ...
6
votes
0answers
52 views

Rock identification?

This stone is part of a rock mass found in one of the plains of Iran. There are no rocky mountains around these rocks. I'm geologist and I guess it's part of the meteorite, what do you think? Color: ...
1
vote
0answers
39 views

FOSSILZED WOODEN TOOL [on hold]

My son found a fossil on the beach at the foot of the cliff face at Robin Hoods Bay in the UK. It is definitely a fossilized piece of wood, but we would like to know what type, and also if it was ...
5
votes
1answer
103 views

Are these plane trails seen from satellite

Here are photos from West of Normandy, at 7-9am after sunrise on the 14th of may, from the visible satellite. It's a bit strange that they are visible from space, they are 2-3 miles wide? Are they jet ...
1
vote
0answers
34 views

what type of rock is this? blue/green and brown [on hold]

I found this rock while up in the mountains and I have no idea what type of rock it is.
0
votes
0answers
26 views

What is this rock found in the dry wash in Bluff, Utah? [on hold]

Does anyone know what type of rock this is? The 3rd picture is the same as the 4th, but the 4th has a regular (not black light) flashlight held underneath it. Thanks!
0
votes
0answers
19 views

What are these rocks? [on hold]

I found both of these in a river in North Yorkshire. Can anyone suggest what they may be? Thanks
0
votes
0answers
49 views

Can someone identify this flesh looking rock? [closed]

I acquired a bag of rocks and I’m hoping somebody might be able to identify this pinkish flesh looking rock.
0
votes
0answers
23 views

What type of rock is this [closed]

Im sorry I have another question. Can anyone identify this stone. I can't seem to find anything like it online. It has golden pieces in it. I've never seen something like this. My son found it and ...
-1
votes
0answers
22 views

What type of crystal or rock is this? [closed]

Hi I am keen to see what type of Crystal this is. I have had it for years and my son loves rocks and crystals ect... I have no clue what to tell him about it. I added some pics. It's clear with a ...
3
votes
1answer
109 views

What is this heavy green rock?

I found this grenish rock at a beach in Northwest Ireland called Inishcrone. It measures 45mmx35mmx22mm. It weighs 57 grams and has a density of 2.90. It is opaque, does not attract a magnet. It ...
2
votes
1answer
79 views

What produces these amazing 3D structures in Tibet?

A friend recommended I watch this Chinese language video 航拍西藏 2018 (Aerial photography in Tibet) and the HD drone video of scenery is stunning. After about 37 minutes into the video, there are shots ...
1
vote
1answer
44 views

What is this heavy, dark grey and almost round rock?

I found this 'rock' on the beach in North West Washington State. It's almost perfectly round save for a few bumps, it's dark grey in colour, solid, feels smooth like any stone you'd find on the beach,...
0
votes
1answer
51 views

Rock ID: dark grey, white spots going through from Brecon Beacons, Wales, UK

I found this curious rock in the Brecon Beacons, a mountainous range in South Wales. The regular dotted pattern stood out from the plan slate and gravel in the area and I'm not sure if these are ...
0
votes
1answer
24 views

Anybody know what kind of rock this is? [closed]

I found this rock awhile ago... can't remember where though. I am having trouble figuring out what exactly it is. Hopefully you experts can shed some light on it for me. Thanks! I do have other ...
1
vote
0answers
68 views

Identification required, rock formation found whilst on holiday in Cephalonia, Greece white object embedded inside?

This rock was found in kephalonia Greece, on a beach in lassi. The rock is black in colour, smooth with thumb like prints, very metallic smell and very slightly magnetic. We took this rock to oxford ...
3
votes
0answers
40 views

Ordered arrangement of clouds

I happened to take a photograph of a region of clouds ,and it seems to have a rather ordered arrangement ,if one looks towards the left of the image. Would there be a physical explanation for this or ...
2
votes
1answer
33 views

Rock ID: 2 layer, hard dark brown top, sandy light orange bottom, Southern Utah redrock country

Dull luster, with 2 main layers: TOP) about 1 cm thick, plate-like, dark coffee brown, bubbly melty looking texture. The top layer is harder (about a 5, scratched with a knife) and the edges are ...
7
votes
2answers
420 views

What are these Gizmos at Izaña Atmospheric Research Center in Spain?

This tweet from the account of the Centro de Investigación Atmosférica de Izaña (AEMET) http://izana.aemet.es Izaña Atmospheric Research Center (AEMET) shows images of meteorological instruments ...
0
votes
1answer
38 views

Found a rock like no other [closed]

identification request This rock was found in Somerset Co, NJ. It weighs about 10 lbs. It was found buried about a foot under a patch of daffodils in the middle of the woods. It is triangular in shape ...
5
votes
2answers
65 views

Rock Identification: clear, hues of yellow/orange. Washington State

I purchased this rock at an estate sale along with some rose quartz. The sellers had no information on it. My husband was able to break it today with a hammer, but I have no idea what the material is. ...
3
votes
1answer
63 views

Id request: Unusual shape, gritty texture hard rock

What are these rocks? We are importing dirt from local pool companies digging in the area. We live denton, tx (north texas). One company dumped about 4 loads of very red sandy loamy dirt and 3 loads ...
7
votes
1answer
483 views

Identification of a rock from Kentucky [closed]

I was hiking the other day in southeastern Kentucky and ran across this rock on a river bank. I've never seen a rock like this before. Can anyone here identify it?
0
votes
1answer
43 views

Anyone have any idea what these are? [closed]

Can someone please help me identify these rocks please ](https://i.stack.imgur.com/y28zy.jpg)
1
vote
1answer
53 views

Help me to identify this strange rock [closed]

About 9 years ago I found this rock in the middle of the river. It reminds me of a some kind of a volcanic rock, but I live in Finland, and we only have dead volcanoes around here. Outer layer is just ...
3
votes
0answers
68 views

Can anyone help me identify this rock found in Tulsa Oklahoma?

I was working in my front yard in Tulsa Oklahoma and ran over this rock with my lawnmower. It was logged in the ground enough I didn’t see it. It’s 2.5 inches in length. Black in color with what ...
1
vote
1answer
50 views

Please help me identify these two metal looking rocks…?

These were found at to the top of a hill by McLaren park near the Blue Water Tower in San Francisco, in the dirt in the middle of the path. They feel slightly heavier than normal (same size) rocks. ...
0
votes
1answer
39 views

Dark green opaque stone of length < 1 inch

Found it on a construction site. What kind of stone it is ? I understand that it is not gemstone. It is very hard, cannot be scratched by metal, and it's smooth. Also there is no visible layers. It ...
1
vote
0answers
73 views

What name of rock is it? [closed]

I found it in desert, there is not any evidence of igneous or metamorphic rocks around it, it's density is between 3.5-3.9, some magnetic, some parts have pyrite minerals, streak is dark brown, luster ...
1
vote
0answers
44 views

Artifact? Found in US North Carolina close to Morrow Mountain State park [closed]

Scale in inches. I found this in a river. One surface of it (narrow surface) is so flat that I couldn’t quit looking at this find.
5
votes
1answer
67 views

What is a Rotating Shadowband Radiometer, and how does it work?

This answer explains that the device labeled "B" in the photo below is a "Ultraviolet Multifilter Rotating Shadowband Radiometer." What is a Rotating Shadowband Radiometer, and how does it work? ...
2
votes
1answer
143 views

What are these Gizmos at Mauna Loa Observatory?

Artist Rosten Wu's Vimeo channel has a video title Bridging Time and there is discussion about the Keeling Curve and the site where it all began in Hawaii. In the video there is a shot of a weather ...
1
vote
2answers
57 views

Can anyone identify this stone

i found this stone on the east coast of south island in New Zealand, it's 200 grams and very hard,i used a metal file on it and it left steel residue on the stone.
0
votes
1answer
39 views

rock id:hard,green,other ones were around but not with black streaks [closed]

Located in vermilion river Lasalle Il. It is a green and has black streaks with what looks like air bubbles at the end.
4
votes
3answers
114 views

how can a asterisk/star like crack occur on a rock?

how can a asterisk/star like crack occur on a hard pyroclastic rock? Could it caused by a meteroite or by some other mechanism? You may see the shape of the rock on attached photo.
1
vote
0answers
38 views

Interpreting an outcrop of a thick pure silica bed in a volcanic setting

How can a nearly pure silica bed with 250 m x 50 m x 1.5 m dimensions be interpreted in a volcanic/pyroclastic setting? Here is a photo of it.
0
votes
1answer
113 views

Is this Dragon Jasper?

Bought these rocks at a shop they were selling as Dragon Jasper,but when I density tested them they were 3.09 which I thought was a bit high for Jasper, and generally Dragon Jasper has Deep red veins, ...
0
votes
1answer
44 views

Is this an agate? [closed]

So I have found these in a creek there are some that look like this and I have broke them open and they were full of crystals these seem to small and I have tried cracking then and they wont budge I ...
1
vote
1answer
59 views

Rock ID: Very hard, green, slightly transparent, some gray parts on outside. found in South Korea

Hi! My name is Thomas, I am a senior student in Canada. I found this rock as a kid in Korea in a high mountain area. I was always wondering what this thing was. Its very heavy, and also very hard. A ...
3
votes
1answer
119 views

Can someone please help me identify my rock?

I found this rock under water over 20 years ago while swimming in Lake Huron near Kincardine, Ontario. It’s a little smaller than a baseball although it is very dense and a lot heavier than it looks. ...
0
votes
1answer
43 views

I found this rock on my property years ago and was curious what it was [closed]

What kind of rock is this? I found it on my property a long time ago and I can pinpoint exactly what. I was thinking red jasper maybe?
5
votes
1answer
62 views

Identification of limestone type

These are images of a stone found and used extensively in the Jammu & Kashmir region between India and Pakistan. These are called devir or devri in the local parlance. Following is the ...
3
votes
1answer
66 views

What do the little flags on these martian wind speed data points mean?

According to this answer the weather at the InSight lander on Mars can now be seen online at https://mars.nasa.gov/insight/weather/ This includes the wind speed and I believe the direction (if that's ...
1
vote
1answer
40 views

can you help identify my crystal [closed]

it is green is color With silky luster Hardness is about 7 Found in lake Elsinore mountain s
1
vote
1answer
137 views

Found this rock in Cambridge, UK, on a recently ploughed field

I found this rock while out walking it’s of a metallic Luster and black in colour, smooth to the feel but bumpy in places, with one small rough patch shown on the picture and no colour change anywhere....
0
votes
1answer
88 views

Please identify this rock

I found this rock along the Illinois river basin in cave junction, oregon. It was laying on the top layer of a massive beach of rock. It's shape is what drew me too it, then after closer inspection ...
2
votes
1answer
74 views

Metallic Balls Found in Sandstone or Mudstone Layer

Found metallic balls of some type of metal ore surrounded by yellow mudstone the metallic balls crush easily into a fine gray powder. The gray balls are situated between sandstone layers in a soft ...
1
vote
0answers
32 views