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Questions tagged [identification-request]

For help in identifying objects such as rocks, minerals, clouds, ... Please follow this guide when asking for rock identification: http://meta.earthscience.stackexchange.com/a/125/56.

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ROCK ID: Heavy, reddish/orange with black, smooth layer from Oklahoma, USA

ROCK ID: Heavy, reddish/orange with black, smooth layer from Oklahoma, USA
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Can someone identify these dark red rocks?

It has pretty even color - dark red rock with white snowflakes all over it. I found it in MA, near lake, where water seems to wash out the shore. The main block was too big to take (but I saw it), so ...
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Is this Obsidian?

This was found by a family member in Australia. Can anyone identify from the photo? I'm thinking Obsidian
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1answer
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What is this rock and how was it formed? [on hold]

Please help identify the rock and what causes the light brownish 'nodules'
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1answer
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Petrified wood or something else?

I found this while digging through piles of river runoff dirt/rocks that were removed after flooding from farm land. It was originally located in Central Iowa, Story County, USA. I am new to this but ...
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2answers
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What two mineral/stones are these that formed together?

NEW EDIT. I took a sharp knife and scratched at the orange/amber area. The area the blade tip went across would develope a faint white mark; however if I licked my finger and wiped the mark it ...
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1answer
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What is this figurine made of:

Have several of these animal figurines, MADE IN USSR on bottom. Can't figure out what type of rock it is made from. Any ideas?
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Identify tiny green crystals on a pinkish/yellowish rock coming from Epupa Falls on Kunene River North of Namibia

That my first post : I'll try to follow the guidelines. 1) I provide 2 pictures of my sample : the first one from the tiny green crystals themselves, and the second one from the rock supporting the ...
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Can you identify this rock, please? [closed]

I found this rock at the edge of a field near a fill dirt pile in San Diego, CA
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1answer
29 views

Black and amber stone.

I have a bracelet with an unusual piece of polished stone, black with orange fossil-like inclusions. It would be great if someone could help me identify what this is. Many thanks! The back of the ...
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1answer
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Rock type identification

Found this rock in western Ireland among many other like this one, its scratch resistant to a stainless steel blade, its blackish with light green spots and some tiny Pyrite crystal inclusions, it ...
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1answer
28 views

Carbonaceous Chondrite [closed]

Can you please help me identify this rock? Is it a meteorite; if so, what kind? I sought the advice of the only scientist I know, but geology is not his primary field. He suggested a mineralogist ...
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1answer
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This rock I found in a park, Arizona, not sure what is

I'm not sure what this is, it's a rock, looks to be hand made into its shape, but I'm not sure. You can see it sparkle on the inside, there seem to be little crystals when the light hits it. It is ...
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1answer
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Identification: mystery rock with golden features and shimmer

I found this rock in our backyard in Germany. As our garden is filled with bushes it was very oddly placed and I have carried this rock around with me ever since, wondering what sort of rock it might ...
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1answer
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What is this rock. Solid, Heavy, Metallic. Unknown origin

A few weeks ago i found this rock in the geology collection cupboard that my Geography teacher inherited from his predecessor. It is numbered 3729 but no list exists of the collection so we can not ...
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1answer
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Identify yellow-tinted translucent mineral

I found a mineral near the hexagonal rock formations in High Island, Hong Kong that I'd like to get ID'd. It has a greasy and subadamantine lustre. It can scratch a U.S. Quarter Dollar and some types ...
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What makes this rock cavities inside? What type of rock is this?

I found this rock in the rocky mountain near dried up river. Found it around pile of many rocks and this one was interesting and just want to know what makes this cavity stucture inside that rock? Its ...
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1answer
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Rock ID - Heavy, Smooth Gemmy Rock from river in the Laurentian area of Quebec, Canada

I have recently become passionate about rocks, minerals and semi precious stones, found in many of the rivers and lakes where I live, in the Laurentian area of Quebec. I found this rock in a little ...
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What is this red, brown and yellow rock?

I have no clue its origins. I believe it is from somewhere in the USA. It feels light for its size. It did not scratch with the knife test.
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1answer
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What is this baby blue rock?

What is this blue rock? I have no clue of its origins; I believe somewhere in the USA. It did not scratch with the knife test. It is about 1 1/2” x 1”.
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Can someone tell me what rock this is?

Can someone tell me what this? I found it in my yard buried under a tree we cut down. My home was built in the 1960’s and the “boy” whose parents built the house burried his rock collection. His ...
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1answer
169 views

Help Identifying this rock with a rainbow

I found this rock and I want to know what it is. It looks like green-grey and when I put one side of the rock on the sun, it changes its colors on that side. Thanks
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Please help identify this rock

Heavy green rock. Please help me identify it.
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0answers
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Is this Jadeite Jade? [closed]

Bought this online, shipped from India, I was told that it is Jadeite Jade and not Aventurine, it comes from China and India, I tumbled one piece. The piece on the left is 2 3/4 inches. A beautiful ...
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1answer
51 views

Asking about type Fossil [closed]

Can any one help me to identify this type of fossil ? Its dolomite limestone
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1answer
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What are the phenomenon (artificial and natural) in play in this photograph “350m beneath Berezniki in Russia”?

This image is from the BBC Culture article Striking photos of human scars on Earth. It is accompanied by the text and captions below. But I still don't understand what I'm looking at at all. Can ...
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Iron like rock in western pa, is this hematite?

Found this years ago when digging a garden here in western pa, finaly decided to figure out what it is. Its dull, but has thousands of very tiny crystaline specs, very ferus, even the “rocky” looking ...
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Identification of a rock. White marble? [closed]

Could you please help me identify the rock found commonly near many of the ancient Greek foundations and rubbles? This one was at the base of Poseidon's temple. White in colour with a smooth texture ...
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1answer
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Can someone please tell me what rock this is and if its valubale [closed]

please identify please identify my rock and tell me if its valubale please
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2answers
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Can someone help me to i identify this rock found in macedonia [closed]

Can someone help me identify this rock? Also, will it react to acid?
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Help Identifying this Mineral? [closed]

I have the following rock/mineral but can't seem to identify. Anybody have an idea what it might be? It's heavy, 3"x3", nonmagnetic (but slightly repels a neodymium magnet), blackish in color with ...
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1answer
49 views

Any idea type of rock? [closed]

Metorite looking rock from Idaho desert I believe, feels like it has a slight magnetic pull, but the magnet I have (which isnt very strong) doesnt stick, extremely heavy for its size. can you help me ...
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1answer
48 views

Amber rock identification request [closed]

This red/orange/brown stone has a hardness of 8 and a bright streak. The closest thing I've ever seen was amber, but amber is way softer than this What kind of stone is it?
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What is this Stone [closed]

I found this stone in my father's old stuff. I tried to search online for about it but I don't know what is it. It looks to be a rare stone. Can someone identify it?
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Why has my rock stopped being translucent?

I found a rock on the beach in northern California that was very translucent ,super clear. 5 or 6 hrs later when I got home it was still like I found it. The next day it had clouded up. ...
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What is this rock cluster ( it’s magnetic )

Found the rock in the mud, it attracts a magnet.
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1answer
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heavy, brown, rock with crystals, please help identify

please help identify this rock. it is heavier than most. dark brown color. picture is shown with streak test. found in Philadelphia pa. at home demolition site. crystals seem to be different type and ...
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Rock identification - origin unknown

I'm trying to identify this rock. It's fairly fine-grained and has a green tint. It's fairly heavy for its size, I cannot scratch it with a figernail but I can make a scratch with a knife. The rock is ...
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What type of rock is this found in Northern Ontario Canada?

This rock felt very dense for it size.
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What types of stone are these rocks I found in Scotland

Please could someone tell me what type of stone this is I came across it while walking my dog. I'm in the highlands of Scotland!
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2answers
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Found this rock at the ground what kind of rock is it?Could it possiboy be a meteorite

I found this rock and I'm wondering if it could be a meteorite. If not, what might it be?
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1answer
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What are these objects found on my property in Merced, CA?

These objects were found on my property when preparing for the replacement of a cement driveway. I would like to know what they are and, if possible, how they arrived at the place found?
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Fossil or just strange lines?

Found this in Souris, Manitoba. The lines are on both sides. What could this be?
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Can anyone identify my rocks? Found in Arizona, I would be hugely grateful

Hey, I collect rocks from every holiday, but unfortunately I'm a complete novice and have no knowledge of rock at all, I found this with another strange few rocks from the grand canyon and the ...
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2answers
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I bought these stones recently, can someone help identify them?

So the heart shaped one has rainbow like flecks in it-- kind of like an oil spill really. The reddish-orange one appears to have small cracks in it. I've been searching for hours, I can't figure them ...
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What is the identity of this rock?

I found this rock on the beach on the Dingle peninsula in Ireland. There were lots of sandstones and basalt too. I thought it might be dolomite because it is rhombohedral and has a white streak, but I ...
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Identify this specimen?

Found as a plate size piece (broken in transit). It was just sticking out of a greenish bentonite mound in the Capitol Reef area. 5/8 inch thick, crystalline base chalky white cracked top. A friend ...
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Identify my specimens?

Found close to Capitol Reef in Utah in and on the banks of a dry wash alongside bentonite clay mounds. All have an orange ish opaque color. They did not react to vinegar.
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1answer
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What kind of stone is this? Can I safely test it with acid?

Found in Wisconsin, top appears black to dark blue, slightly translucent at the edges. Is it safe to use acid to test this material?