Questions tagged [identification-request]

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

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What is this translucent blue-green oblong crystal?

I think it might be aventurine of some sort, but I'm not sure. Hardness: It is harder than a steel nail file. The file leaves a track, but it rubs off, leaving no mark. I scraped it on the bottom ...
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1answer
62 views

What type of rock is this? Help [closed]

Please help me identify this rock. I’ve found it in a cave.
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51 views

Is this Basalt, Ophitic or Conglomerate?

This rock was picked up this summer at High Rock in Keeweenaw Co. MI. I'm sure it's basalt, but is odd the aggregate when chipped is tan to white inside and contain a lot of tiny crystals. The ...
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1answer
48 views

What minerals are in this rock? [closed]

Can anyone venture a guess as to what minerals are in this rock? I’ve had it for years and have never been able to identify it. I believe I got it somewhere in Northern California but it was from a ...
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0answers
272 views

Is this Black Serpentine?

I found this rock at a lake edge in Co. Sligo Ireland,its shiny black,leaves a black streak, weighs 320 grams displaces 125ml of water which gives it a density of 2.56 https://www.youtube.com/watch?v=...
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1answer
145 views

What type of rock is this, Nephrite?

Its a very dark green opaque smooth rock, resists stainless knife blade 6.5-7 hardness, its 4x2cm, aprox 40 grams weight. I found this rock among cobble stones in County Roscommon Ireland.Its not ...
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2answers
129 views

What type of ore is this?

I have found this metal somewhere in a semi-desert area in Ethiopia. The place has no mountains and has no human contact yet. It is magnetic and has some rust on the top which can be removed using ...
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1answer
202 views

Rock identification: gray with small dark lines/inclusions all over

Gray stones with short small dark shiny lines all over it. Found it on the beaches of Newport Rhode Island.
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83 views

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
83 views

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
130 views

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
69 views

What is this figurine made of: [closed]

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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60 views

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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1answer
38 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
64 views

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
50 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
150 views

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
125 views

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
82 views

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
151 views

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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0answers
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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
75 views

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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1answer
105 views

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
70 views

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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1answer
226 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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80 views

Please help identify this rock

Heavy green rock. Please help me identify it.
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1answer
137 views

Is this Jadeite Jade?

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
59 views

Asking about type Fossil [closed]

Can any one help me to identify this type of fossil ? Its dolomite limestone
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2answers
122 views

What type of rock/crystal is this was found in Vernon NJ? [closed]

What sort of rock is this one?
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78 views

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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1answer
98 views

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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84 views

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
68 views

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
76 views

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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0answers
59 views

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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2answers
138 views

Is this Mutton Fat Jade?

Found this near the Shannon River close to Carrick on Shannon Irelandenter image description here Could this be Mutton Fat Nephrite Jade? Thank you
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1answer
64 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
67 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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0answers
52 views

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?
3
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1answer
225 views

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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0answers
99 views

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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0answers
133 views

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
79 views

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
41 views

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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71 views

Fossil or just strange lines?

Found this in Souris, Manitoba. The lines are on both sides. What could this be?
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34 views

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
54 views

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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1answer
77 views

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?
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34 views

A chemical formation or constructed by microorganisms?

This mineral formation was at the side of a fresh water canal in Gürpınar, Van, Turkey. It was dug out from the bottom of the canal. It is very brittle. I know that the natural water sources in the ...
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2answers
90 views

What kind of rock is this

very heavy, mica-like surface, scratch test with knife produced very fine black powder. But when I rubbed the black powder on paper it was reddish brown. Looks like graphite but it’s too heavy. Found ...