Questions tagged [identification-request]

For help in identifying objects such as clouds. Please include as many details as possible. DO NOT ASK ROCK IDENTIFICATION REQUESTS — rock identification requests are off topic.

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1answer
60 views

What is this stone or mineral it's light but strong [closed]

The other side is just cyan color I don't know where this stone is from Any help is appreciated
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1answer
209 views

Is this a gold ore? I found it in a California creek next to a mountainside

I found this rock while hiking in a creek. It has some bits of white quartz, sheen and some brownish coloring. Does anyone know what it could be? Is there any possibility that it might be gold ore? ...
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1answer
68 views

What is this translucent and blue vein crystal, 7.5 < Mohs < 9, Lustre: Aventurescence

It looks like quartz, but it has blue veins on the surface that look died. Not all surface scratches are blue though. Hardness: > 6.5. Nail file will not scratch it. > 7 quartz will not scratch it. >...
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1answer
148 views

Identification request: Is this a meteorite with a shock vein? NW Montana

This rock was found in an area covered with approximately 200' of glacial till. The vein in the rock is partially oxidized. The rock is heavy; it shows some barely visible sparkle on its surface; the ...
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0answers
126 views

Rock I.D: Plattsburgh, NY, Heavy, Metallic Luster

Can anybody help me identify this? It was found in a friends yard. It’s very heavy, non-magnetic, and shines like silver. The rock was found by a friend in the yard by itself. Seems extremely hard, ...
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1answer
58 views

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
63 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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0answers
55 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
50 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
364 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
159 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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1answer
277 views

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

Gray stones with short small dark shiny lines all over it. Found it on the beaches of Newport Rhode Island.
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1answer
103 views

Petrified wood or something else? [closed]

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
140 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
70 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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0answers
63 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
43 views

Black and amber stone. [closed]

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
71 views

Rock type identification [closed]

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
59 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
166 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
133 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
85 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
153 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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1answer
81 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
138 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
87 views

What is this baby blue rock? [closed]

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
249 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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1answer
158 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
61 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
133 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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1answer
83 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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0answers
97 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
70 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
80 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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2answers
162 views

Is this Mutton Fat Jade? [closed]

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
70 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 ...
3
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1answer
259 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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1answer
44 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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2answers
64 views

I bought these stones recently, can someone help identify them? [closed]

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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0answers
38 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
96 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 ...
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1answer
69 views

Please help me ID this rock [closed]

Can you help me identify the type of magic egg in this photo?
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1answer
725 views

Is this rock Ellensburg blue agate or just regular blue agate? [closed]

I am wondering if this blue agate could be an Ellensburg
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1answer
62 views

Can anyone please help me to identify this rock? [closed]

This is a dark black rock with gold shimmering chunks sticking out of it, some of the chunks look rainbow colored or fake gold color it is a small rock less than 5 lbs (https://i.stack.imgur.com/YpNKm....
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1answer
96 views

Trying to identify the rock i found [closed]

. Can use some help to identify the rock I found. It's black on the outside and white or gray on the inside.
5
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1answer
164 views

Geological feature - what is it?

Hello, We were walking in Bundoran in Donegal County, Ireland today and we encountered the geological feature shown in the picture (from above from cliffs and from very close up at beach level). We ...
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2answers
128 views

Can someone help me to identify this rock?

A-density:2.66g/cm3,weight:370g,rock attract the magnet for this rock I do not have the density currently
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1answer
155 views

Rock ID: sedimentary fossil from North Norfolk coast, UK

This palm-sized rock is from the beach at Eccles-on-Sea (North Sea coastline). I can see four types of material: A brown, slightly translucent, 6cm tubular fossil(?) that I can mark with a steel ...
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2answers
127 views

What caused this waterfall to have rounded formations?

This is at Bua Tong Waterfalls in Chiang Mai, Thailand. Tried to find scientific information about this waterfall, but google turns up only travellers' vague guesses, suggesting calcium carbonate ...
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1answer
334 views

Are these rocks raw jet?

Found these on the beach after some high tide and flooding thanks to a storm. Wondering if it is jet. One is much larger than the other. The smaller of the two is harder. The larger rock flakes when ...