Got A Rock you Want Identified? Post it here! gimme a good picture or 3 or 4!

[Eu_citzen]

Hey found this rock in the river while fishing, looks cool so I took it. The middle dot is different colour on each side, Would love to know what it is. It feels kind of gritty to the touch.View attachment 1431260View attachment 1431261View attachment 1431262View attachment 1431263View attachment 1431264View attachment 1431265View attachment 1431266View attachment 1431267


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Sandstone, I'd imagine.

 

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[Eu_citzen]

This specimen came from my grandpa's collection. I'm new at this, so really don't have the equipment to test for all physical properties. Tired of endless, fruitless web searching so thought I'd see if anyone out there can help me!View attachment 1431279View attachment 1431280View attachment 1431282View attachment 1431283View attachment 1431283

#1 Might be calcite, commonly referred to as "Dogtooth calcite".
#2 Is likely a pegmatite. But if you can - have someone look at it in person. Something bothers me.

 

[joalee]

Will a knife scratch it? Will it react with vinegar?

R u asking g about the vinegar and what does that mean if it does or doesn't ?

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[kiki227]

Thank you for your help! It does look a lot like dogtooth calcite and also looks a lot like this Thunder Bay amethyst with hematite.

 

[Eu_citzen]

R u asking g about the vinegar and what does that mean if it does or doesn't ?

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If it does react, you got a carbonate. Likely calcite. If not, you need to do further tests to get an ID.

 

[Louise22]

St. Charles, MO creek find

Hello, I am recently retired and have just begun to learn about Native American artifacts. My family owns a large piece of property in St. Charles, MO. It has a large creek and smaller creeks running through it, and it is well-known/believed that Native Americans once lived on the property. Over the past 50 years, many arrowheads have been found, but that about exhausted our knowledge of artifacts up until now. Anyway, I was artifact-creek-walking for the first time this past week and came across numerous items, one in particular, that I'd love to get your input on. I found it in a small wet shallow creek bed. It is stone and fits comfortably in my hand. There appears to be an image of a snake's head on one side and a bird head and bear head (?) on the other. When I hold it in my right hand, the snake head points away from me and the bird and bear face towards me. On the bear's face, there appear to be 2 very small chiseled square/rectangular "eyes". Any ideas on what this is, what it may have been used, by whom, and/or when? My thought was perhaps it was used by a shaman or in a ritual of some sort? I have also found many other interesting items, which I will post, as well, if you are interested in seeing them. But first, I will simply post pictures of this intriguing snake/bird/bear relic. Thank you, I look forward to reading your reply.

 

[Jakel]

 

[meyern3]

Hey there. A friend found this and I can't figure out what it is. Probably something simple, but just weathered abnormally.

 

[Eu_citzen]

Hello, I am recently retired and have just begun to learn about Native American artifacts. My family owns a large piece of property in St. Charles, MO. It has a large creek and smaller creeks running through it, and it is well-known/believed that Native Americans once lived on the property. Over the past 50 years, many arrowheads have been found, but that about exhausted our knowledge of artifacts up until now. Anyway, I was artifact-creek-walking for the first time this past week and came across numerous items, one in particular, that I'd love to get your input on. I found it in a small wet shallow creek bed. It is stone and fits comfortably in my hand. There appears to be an image of a snake's head on one side and a bird head and bear head (?) on the other. When I hold it in my right hand, the snake head points away from me and the bird and bear face towards me. On the bear's face, there appear to be 2 very small chiseled square/rectangular "eyes". Any ideas on what this is, what it may have been used, by whom, and/or when? My thought was perhaps it was used by a shaman or in a ritual of some sort? I have also found many other interesting items, which I will post, as well, if you are interested in seeing them. But first, I will simply post pictures of this intriguing snake/bird/bear relic. Thank you, I look forward to reading your reply.

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There is a dedicated forum for stone artifacts on TNet, I'd suggest you try there.

 

[Eu_citzen]

View attachment 1432252

Chalcedony, I'd say.

 

[Eu_citzen]

View attachment 1432276

Hey there. A friend found this and I can't figure out what it is. Probably something simple, but just weathered abnormally.

I'm thinking fossil. Perhaps coral? Fossils ain't my strong point.

 

[Swilcock1]

Hi please could you identify my sons rock he found. It is 20cm in length & 14cm wide & quite heavy. We live in the York area UK.

Many thanks Joanne

 

[Eu_citzen]

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Hi please could you identify my sons rock he found. It is 20cm in length & 14cm wide & quite heavy. We live in the York area UK.

Many thanks Joanne

In case you missed the other post: flint.

 

[Wamgold]

Ok - some more puzzling and interesting stuff here - dug these samples out of one exposed outcrop of a rock hillside - they seem to be the edge of something quite large, gets much bigger. Sorry for the large amount of pics, but there seems to be a lot going on in these pieces

The body of the rock appears to be chalcedony. Looks like at least 4 different sulfides or sulfates, 2 metals, and some odd chunks that break apart separately, and look to be some sort of crystals that possibly formed before the rest of the deposits did - you can see depressions where they separated to the other side, as well as the chunks themselves in other pieces.

I'm a little hesitant to break open one of the crystal chunks in case they have value, but I'm thinking maybe it is just quartz in those chunks, at the hexagonal ones? Maybe you can give me a hint from the shape - Most are sort of hexagonal, but flat at each end, differing in length. However, SOME of the crystals appear to be an oblong round shape, still flat at the ends - I have no idea what they are.

The metals appears as very fine grains throughout almost ALL the rock material, really fine grains, I hope they show in the images, in some of the focus areas. There appear to be at least two metals, one silvery, the other a little darker, or with a hint of color. They are more obvious in the areas closer to the iron "vein", but I'm now realizing they are prevalent in all areas.

The green looks to be copper sulfate? Then there are some mustard colored powdery deposits, some brown powdery deposits, some blackish powdery deposits - most interesting is the patches of intense blue - would love to know what metals might produce these colors of sulfides? I'm wondering if the mustard colored patches could be gold?

I'm starting to get really excited about the formations I'm finding in this area - but don't want to jump to conclusions over nothing lol

UPDATE: While looking at these samples in more depth, I've noticed that on one of the surface pieces that had a weathered side, quite worn by water, etc, that the silvery metal granules are completely untarnished - they shine and sparkle just like the fresh pieces inside - absolutely zero sign of weathering or oxidation. So it's definitely not silver - could it be platinum? What other silvery metals could look brand new and shiny on the weathered side?

While googling the heck out of different combinations - I'm not sure whether these are sulfates, sulfides, or even chlorides - but gold seems to be pretty consistent as a yellowy powder. Copper however, is more blue in sulfates than chlorides. What are your thoughts?

 

[Wamgold]

From the next hill over, this green stone is totally infused with tiny grains of a yellow metal - a few of the larger grains should show in this zoomed pic

I am definitely investing in an iPhone macro lens - trying to shoot these through a cheap plastic jeweler's glass is a losing battle lol

A couple of the larger grains seem to be coppery, not yellow

Before I get too excited about this area - what else could they be, and how should I test to determine the difference?

Still waiting for a chance to use the XRF

BTW - ALLLLLL of those tiny specks that look like dust all over the rock, are tiny grains of this metal - you can probably only see the larger ones here as having color, but all the specks are yellow

 

[Wamgold]

I broke up one of the hexagonal structures - inside, it was a different color to the rest of the rock, being more "pinkish" - and it had cavities with small round nodules of a white metal inside them, as well as some sulfides..

 

[Eu_citzen]

Ok - some more puzzling and interesting stuff here - dug these samples out of one exposed outcrop of a rock hillside - they seem to be the edge of something quite large, gets much bigger. Sorry for the large amount of pics, but there seems to be a lot going on in these pieces

The body of the rock appears to be chalcedony. Looks like at least 4 different sulfides or sulfates, 2 metals, and some odd chunks that break apart separately, and look to be some sort of crystals that possibly formed before the rest of the deposits did - you can see depressions where they separated to the other side, as well as the chunks themselves in other pieces.

I'm a little hesitant to break open one of the crystal chunks in case they have value, but I'm thinking maybe it is just quartz in those chunks, at the hexagonal ones? Maybe you can give me a hint from the shape - Most are sort of hexagonal, but flat at each end, differing in length. However, SOME of the crystals appear to be an oblong round shape, still flat at the ends - I have no idea what they are.

The metals appears as very fine grains throughout almost ALL the rock material, really fine grains, I hope they show in the images, in some of the focus areas. There appear to be at least two metals, one silvery, the other a little darker, or with a hint of color. They are more obvious in the areas closer to the iron "vein", but I'm now realizing they are prevalent in all areas.

The green looks to be copper sulfate? Then there are some mustard colored powdery deposits, some brown powdery deposits, some blackish powdery deposits - most interesting is the patches of intense blue - would love to know what metals might produce these colors of sulfides? I'm wondering if the mustard colored patches could be gold?

I'm starting to get really excited about the formations I'm finding in this area - but don't want to jump to conclusions over nothing lol

UPDATE: While looking at these samples in more depth, I've noticed that on one of the surface pieces that had a weathered side, quite worn by water, etc, that the silvery metal granules are completely untarnished - they shine and sparkle just like the fresh pieces inside - absolutely zero sign of weathering or oxidation. So it's definitely not silver - could it be platinum? What other silvery metals could look brand new and shiny on the weathered side?

While googling the heck out of different combinations - I'm not sure whether these are sulfates, sulfides, or even chlorides - but gold seems to be pretty consistent as a yellowy powder. Copper however, is more blue in sulfates than chlorides. What are your thoughts?

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Can't see the hexagonal stuff. In #4 I see something what looks like feldspar, in case that's what's confusing you.
The blue is azurite, the green malachite.

Due to the silvery stuff being with copper ore - it might be chalcocite which forms in the oxidization zone of a ore body.
Just a guess, but chances are the silver stuff isn't metal - but sulphides or something similar.

Any precious metals might be "hidden" in the rock - effectively calling for an assay to be done.
Truth be told, if this was my find, I'd have it checked for precious metals. Especially if they've been found in the area before!

 

[Eu_citzen]

From the next hill over, this green stone is totally infused with tiny grains of a yellow metal - a few of the larger grains should show in this zoomed pic

I am definitely investing in an iPhone macro lens - trying to shoot these through a cheap plastic jeweler's glass is a losing battle lol

A couple of the larger grains seem to be coppery, not yellow

Before I get too excited about this area - what else could they be, and how should I test to determine the difference?

Still waiting for a chance to use the XRF

BTW - ALLLLLL of those tiny specks that look like dust all over the rock, are tiny grains of this metal - you can probably only see the larger ones here as having color, but all the specks are yellow

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Blurry pics, troubling to get good ones I know. Can't help you much here. Looks to small to do any tests for ID, to.

 

[Catinalynn]

What is this? I inherited this and the gentleman is no longer with us. I have no idea where it was collected from. Possibly Montana.

 

[arizau]

View attachment 1433298 What is this? I inherited this and the gentleman is no longer with us. I have no idea where it was collected from. Possibly Montana.

Looks like a lava rock to me.