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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57 views

Is it an egg? What type of rock please? [closed]

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.
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1answer
95 views

Help me identify my rock is it jade? [closed]

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 ...
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61 views

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

I found this rock while up in the mountains and I have no idea what type of rock it is.
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1answer
134 views

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

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,...
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1answer
179 views

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

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 ...
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1answer
42 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 ...
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2answers
96 views

Can someone help ID this rock [closed]

Found today in a creek in Indiana, has a geode look and the broken edge shows red opaque facades.
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1answer
125 views

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

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 ...
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1answer
48 views

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

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 ...
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1answer
54 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 ...
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2answers
160 views

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

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. ...
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1answer
82 views

Id request: Unusual shape, gritty texture hard rock [closed]

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 ...
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1answer
56 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)
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1answer
82 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 ...
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1answer
71 views

Please help me identify these two metal looking rocks…? [closed]

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. ...
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1answer
247 views

Dark green opaque stone of length < 1 inch [closed]

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 ...
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160 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 ...
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2answers
98 views

Can anyone identify this stone [closed]

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.
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1answer
147 views

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

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 ...
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1answer
57 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?
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1answer
53 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
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1answer
160 views

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

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....
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66 views

What is in this rock? [closed]

There were many, many examples of this, my photo simply shows a situation where I had even light and time to take a photo without making anyone wait for me. The basic rock is obviously sandstone. ...
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0answers
86 views

Identify rock found on beach in Florida [closed]

This rock was found in Florida on the beach on top of the sand. There were no others found. Color of rock is white, the outer rim is clear (see through) the inner layer is solid. The inner layer is ...
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1answer
138 views

Could this rock be Basalt? [closed]

This rock is 2 3/8", weighs 71 grams has a density of 2.958,I tested the density a few times and its always 2.958, has a hardness of 6-7 almost clear streak test, I tested the streak again and I would ...
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1answer
113 views

Identify rock, found in Florida [closed]

Round with crystal looking around it, hard. Seems to have layers in the center. The inside is smooth and the outside layer is textured. The white layers go all the way through the rock. Found on the ...
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1answer
169 views

What is this green yellow heavy stone? [closed]

no known origin,its opaque its 2 1/4" leaves no streak, has a hardness of 6-6 1/2 I drilled it with a diamond plated bit,it is a very tough stone.It weighs 2ozs 56.6 grams.When I drilled it the powder ...
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0answers
117 views

How could have this rock formed? - Penny inside rock, mostly iron [closed]

I was walking along a beach (in Southern California) and found this rock on the ground, and there were none like it on the beach. It is composed of mostly rusted iron, and a magnet will stick to most ...
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1answer
58 views

What type of crystal is this? [closed]

I feel like it's clear quartz that had been ripped from a cluster. However, I haven't seen this before, so I'm not sure. Can anyone confirm or correct me?
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1answer
373 views

What is this yellow stone [closed]

I found this yellow stone in a creek.It was easy to break by slamming it against another stone and has evenly spaced crystal clear grains.They are very clear that under the sun I thought that water ...
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1answer
102 views

Help identifying rock please [closed]

I have this rock that was given to me as a gift a few years ago but I have no information on it. I would like to find out what kind if rock it is. Can anybody help me figure that out please??
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1answer
76 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
76 views

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

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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0answers
500 views

Is this Black Serpentine? [closed]

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
176 views

What type of rock is this, Nephrite? [closed]

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
415 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
125 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
152 views

What two mineral/stones are these that formed together? [closed]

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
75 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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70 views

Identify tiny green crystals on a pinkish/yellowish rock coming from Epupa Falls on Kunene River North of Namibia [closed]

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
50 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
73 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
152 views

Identification: mystery rock with golden features and shimmer [closed]

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
101 views

What is this rock. Solid, Heavy, Metallic. Unknown origin [closed]

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
170 views

Identify yellow-tinted translucent mineral [closed]

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
101 views

Rock ID - Heavy, Smooth Gemmy Rock from river in the Laurentian area of Quebec, Canada [closed]

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
187 views

What is this red, brown and yellow rock? [closed]

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
103 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
289 views

Help Identifying this rock with a rainbow [closed]

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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2answers
145 views

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

What sort of rock is this one?