How to find out what kind of stone is from a photo?
As a matter of fact, I decided to put my stones in order. Or rather, your knowledge about them. Well, with those about which there was knowledge, there were no problems. But a pile of stones has formed, about which I have questions. Can you help me answer them?
1. Bought as a certainCherry quarts. What kind of cherry fruit is this? or does it have another Russian name?
2. Some kind of African agate. This happens?
This is how they shine through.
3. Bought as Olive, in Russian – olive. Is this even a stone? does it have a name? It cost a penny (For the whole set, about 3 euros). When you tap it with your fingernail, it’s like hitting plastic.
4. From the same opera: when you hit it as if it were plastic. It was stated that it was aquamarine. Or is it so highly polished that it should feel like plastic?
5. I don’t understand – agate? Jasper? Or something else altogether?
6. I don’t even dare to guess. because this is the first time I’ve seen one like this.
7. Geode?? Or am I a fool?
12. Name? Or does he come on his own? And if their name is, what is it?
13. Some kind of beads. Who could tell me what kind
15. Mmmmm. Onyx? Or am I confusing something again?
16. Jasper? or some blood from some veins?
17. Jasper again or something specific?
20. I won’t even guess. let those in the know advise.
21. Something pink and red
22. But here is a strange situation. I bought some like unakit. the other is like jasper. Today, with the owner of the Bis Store, I looked into her book on pebbles (I was interested in whether jasper and unakite are the same or are they different stones). It turned out that unakite is the same jasper. BUT – salts are also mixed into the chemical composition of jasper – this is how unakite is obtained. Yeah. Looks like we’ve sorted it out. But damn – they are so damn similar. I specially placed a pebble in the pile of unakites closest to the jasper, which is exactly the same! It’s as if they were cut down from one cobblestone.
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68 comments
1.2.3.4. glass!
5. looks like something pressed
6. jasper
7. jadeite, not geode
8. coil
Last edited June 13, 2015, 20:39 pm
Just really, really glass?? Hmm. Thanks, I’ll know.
But they are beautiful and to the touch – no glassier than agates
didn’t let me finish
9 quartz pink
10 colored agate or quartz imitation lapis lazuli
eleven – ?
12 amazonite
13 jasper or agate, sometimes they write jasper agate
14 jasper exactly
16 poppy jasper
19 star striped agate
20 sodalite or lapis lazuli with impurities
pink could be rhodonite, rhodochrosite or dyed agate
Last edited June 13, 2015, 20:46 pm
Everyone writes – sodalite or lapis lazuli. How to determine?
I definitely can’t
but rather lapis lazuli than sodalite
Last edited June 13, 2015, 20:58 pm
In lapis lazuli, impurities with sparkles of pyrite can be traced. Sodalite does not.
What about a bunch of unakites and jasper? leave it like that – unakite and jasper? Or something is wrong.
I see only 2 unakites there – first row 3 and 4
Last edited June 13, 2015, 20:51 pm
yeah. I’ll sign it like that – those are unakites, the rest are jaspers. Thank you
and 10 – maybe sodalite?
no, it’s definitely not sodalite, it doesn’t have crystals, the color is wrong
the structure is similar to these agates rgres.ru/published/publicdata/RGRESSQL/attachments/SC/products_pictures/28c_enlwm.jpg
tinted blue agate
Last edited June 13, 2015, 21:01 pm
Ohhh, no. Definitely not agate. I have a tinted agate – beautiful! I bought it to admire. it’s a shame he’s at work
And with this “sodalite” I slightly changed the color here – I photoshopped it a lot. it’s actually a dirty blue, and there’s a hint of something brown in places.
One-on-one like in this picture from the catalog of minerals (Midnight gave the link below – I used it)
well, it definitely won’t work, I say
no matter how Photoshopped it is, the structure is layered-crystalline, while sodalite is dense
Understood. At first I didn’t understand it right – who doesn’t have crystals? Now I understand. Clearly, that means it won’t work.
20. – very similar to sodalite, 16,14 – jasper, 12 – amazonite, 8 – serpentine, 9 – quartz (possibly pink).
Checking whether it is plastic or not is quite simple – heat the edge over the flame and smell it. 100% can’t go wrong
Last edited June 13, 2015, 19:40 pm
Yeah. I wrote it down.
I took one of the small olives and put it on the fire (gas stove) – the edge instantly melted. bubbled and even caught fire. I sniffed it – it smells, but not like plastic. Maybe it’s some kind of varnish coating on it?? Or do I have problems with my sense of smell?
In general, the pebble was spoiled a little, but I still couldn’t figure it out
Look here: http://www.catalogmineralov.ru/mineral/yashma.html
Useful link. I’ll save it. Thank you
Ksyusha, 8 – Zmeevik. I bought exactly these from Jan, only round ones.
12 – looks like Amazonite, but I’m not sure.
20 – similar to lapis lazuli or Sodalite
Last edited June 13, 2015, 17:45 pm
See the link above for a catalog of minerals. I realized that 10 is sodalite, and 20 is more likely lapis lazuli. Thank you.
5. chrysocolla
yeah. Thank you. I wrote it down.
Remained unidentified:
2, 3, 4, 6, 7, 11, 15, 17, 18, 19 (lower), 21
go back up and check what you didn’t read
Yeah. I took notes for myself. 5th suggested – chrysocolla
According to Olivine. I recently bought myself olivines from Dima. I won’t burn my own, because they cost money, but I’ll ask him, Dmitry, how to find out, I think it’s possible)))).
And, in the name, I found awesome little ditties about chrysolite, aka olivine.
Last edited June 13, 2015, 20:31 pm
Ir. well, what about your olivines – do they feel like stones or like plastic?
Stones, definitely
This means I have plastic or some kind of painted glass, as Masha wrote above. Although they don’t stick to glass either. Apparently completely plastic.
The glass would melt. not burn. You can take a bead and see how it behaves in fire. The color changes, and it doesn’t burn, it just melts.
There may be some kind of coating on the glass or plastic. Lacquer, for example. Or paint – and these substances burn
like 18 – I have one like this, also without a name. Some kind of petrified bastards, the density is not the same – the rusty formations are much harder than the surrounding gray rock.
Last edited June 13, 2015, 21:34 pm
So we’ll come up with a name for him together
Read below – our stones have determined
Numbers left: 10, 11, 15, 17, 18, 19 (lower), 21.
11 is similar to ophiocalcite.
I googled ophiocalcite. No. not him. More likely number 7 – ophiocalcite is larger, but we found out that it is jadeite.
And 11 – it is like a serpentine (in color and structure), only yellow.
Drop acid on the stone, if it sizzles, it means calcite.
where can I get acid now?
At least vinegar.
vinegar 30%. It dripped. 0 emotions
10 – tinted quartz (the uneven color is clearly visible in the cracks). I have a similar one, only tinted turquoise.
There are still brown specks there. Could this be?
(but just in case I already signed it with tinted quartz. Thanks)
Certainly. This is a natural stone – there are all sorts of inclusions in them.
18 – conglomerate.
I googled it. Similar Only on Google in the pictures all the stones have a light tone, but mine is dark. It happens?
It comes in different colors.
I suggest you separate the glass from natural stones. Take, for example, rose quartz (9) and apply it to your lips for a second. Do you remember how cold it is? Now apply other stones to your lips: those that will be warm (for comparison, apply cabochon number 1 to your lips – this is glass) – this means that this is not a real stone. Stone has a lower thermal conductivity than glass or plastic, so it will be much cooler.
Come on. Different stones have different thermal conductivity. Chemically, “average” agate is the same as glass. And its temperature will be the same, and its hardness may be equal. Based on heat, only plastic can be separated, which looks like stones (of course, if the plastic doesn’t look like amber, then this type of definition disappears).
In addition to their chemical composition, minerals have different crystal lattices, which determine their physical properties. Compare, for example, the well-known diamond and graphite – the composition is the same (carbon), but the crystal lattice is different and, as a result, different physical properties, including thermal conductivity. Therefore, it is stupid to compare glass and agate.
This can easily be verified experimentally.
Oh, how stupid I am! I understand and repent! Of course, it never occurred to me to compare diamond and graphite, because the comparison is incorrect. Of course, I could say that it wasn’t me who came up with the idea of the impossibility of distinguishing chalcedony from glass based on the signs of hardness and thermal conductivity (at least at such a strictly scientific level of definition as “putting it to the lips”). But, of course, I’d better not be clever, otherwise I’ll die of shame later
Mineralogists have a bunch of unscientific (from your point of view) definitions. For example, lick the mineral or tap it, and then smell it. So it’s better to open some book on mineralogy and see for yourself.
Of course, of course, what a good idea, otherwise I still haven’t thought of reading anything other than the Murzilka magazine! Great advice, thanks!
1 – volcano cherry quartz – heat-treated glass, but beautiful!
2 – it could be a heated agate, it could also be an imitation of agate made of glass, shaped like “dragon vein agate”
3, 4 – most likely an imitation of something like olivine and aquamarine. Ksyunk, I would burn the edge with a lighter from the inside out. And unnoticed and would make sure. Stones do not burn, but plastic – you will immediately see that it will begin to melt.
5 – chrysocolla in the rock, very similar to the UYUM pebble.
6 – jasper
7 – jadeite
8 – coil
9 – rose quartz
10 – I don’t know what the pendulum is made of, maybe painted marble, pretending to be lapis lazuli
11 – perhaps some kind of leopard jasper, fortunately they have a variety of wagon and small cart.
12 – amazonite
13 – very similar to the transition between jasper and agate.
14 – Red River jasper
15 – with a high probability that onyx
16 — breccia jasper
17 — landscape jasper
18 – pressed stone mosaic
19 – the star can be either striped agate or glass shaped like agate.
the trapezoidal pendant looks like a rock with chalcedony veins and is also painted, like agate too
20 – lapis lazuli is not of the highest quality
21 – most likely rhodonite
22 –
PS From us we treat hemorrhoids using photographs
Last edited June 13, 2015, 21:58 pm
Well, thank you. A kind person. That’s probably all
four pebbles could have asked me, I still remember who I sent
Nastyush, come on. Write what is what of yours. The girls guess from the photo (perhaps even very accurately), but you know exactly what you sent. So I’m waiting for your comment
All the girls described everything that was said so correctly, I confirm
5 an arrow in your eye, that’s what UUM’s chrysocola is (diamond eye)
I largely agree with Bellissima.
11 – definitely from the chalcedony group. Somewhere it is called “Leopard Jasper”, somewhere it has even been called “jasper agate”. I think “jasper agate” is closer to the topic.
13 – Interesting stone. That’s agate, that’s for sure. Met under the names: “Flower Agate”, “Multi-Color Spiderweb Agate”. They write that the deposit is somewhere in the USA, if they are not lying.
15 – I wouldn’t call it onyx, because onyx is a striped variety of chalcedony or marble, and here the stripes are very weakly expressed. Here, as suggested above, you can check with acid. Marble interacts; chalcedony does not interact. It’s better to just leave it without a name))
17 – difficult to judge, but more like marble or travertine.
18 – similar to the “Mariam” fossil (fossilized sea plants), but of very poor quality, I would rather agree with the Bellissima version.
19 – painted agates. Moreover, both. Yes, in the second there is also a breed.
No. 5 chrysocolla in the breed
No. 10 is sodalite, No. 20 is either sodalite or lapis lazuli. Lapis lazuli has small inclusions of pyrite (sparkles sparkle), sodalite does not.
The pink is similar to rhodochrosite. Try scratching the glass with a stone. Rhodochrosite is soft – hardness is only 3.5 – 4. There should be no trace left. If the quartzite is painted, there is a scratch on the glass. And then rhodochrosite boils from the acid and dissolves.
Last edited on August 29, 2015, 00:08
Olya (bellissima) wrote above that 20 is lapis lazuli not of the highest quality.
10 – sodalite (written down)
Thank you
Sodalite and lapis lazuli are similar. Even the hardness is the same – you can’t tell by the hardness. But sodalite shows through a little, but lapis lazuli does not. Try running a stone over a shard of a broken cup (porcelain); the color of the line for lapis lazuli is blue and for sodalite it is white.
And also No. 5 regarding the naturalness of aquamarine – hard aquamarine with a hardness of 7-8 scratches glass. Plastic – no. But maybe it’s painted quartz. He also scratches glass (hardness 7)
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