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Numerous specimens - can you help ID?


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Last month I posted a question about an item which turned out to be gypsum. I hope you might be able to ID the following items I've posted - really have no idea what these are.

One is possibly a piece of Obsidian, another maybe a rose quartz as well as a few other pieces of quartz.  Photos aren't as good as I'd hoped and I can always upload detail shots.

My sincere thanks!

1 through 11 no2.jpg

1 through 11.jpg

12 through 16.jpg

17 through 22.jpg

17 18 19 20 detail.jpg

23 through 28 no2.jpg

23 through 28.jpg

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1, 3, 4, 5, 7-11, 16, and 21 all appear to be quartz crystals to me. 

6 looks like azurite to me, but the lighting isn't very good.

12 is probably obsidian.

14 looks a variety of tourmaline called schorl.

15 looks like a hunk of travertine

18 and 19 appear to be varieties of pyrite

20 is a small geode

The pink stone labeled 23 looks like Roseville quartz

24 looks like small schorl crystals in pegmatite

25 looks like limonite after pyrite

28 looks like fluorite

All of these are of course opinions and not definitive answers as identifying minerals from photos alone is extremely difficult. 

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I think d-day nailed it. 

My take on a few are:

# 5 looks to me to be purple Fluorite,

# 15 might be pink Orthoclase feldspar,

# 17 looks like the mineral Stibnite, an ore of antimony,

# 22 looks like another piece of Tourmaline (Schorl)

#25 could also be Galena an ore of lead.

 

Very nice collection of minerals Nationalbank!

Edited by 4meter
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17 minutes ago, 4meter said:

I think d-day nailed it. 

My take on a few are:

# 5 looks to me to be purple Fluorite,

# 15 might be pink Orthoclase feldspar,

# 17 looks like the mineral Stibnite, an ore of antimony,

# 22 looks like another piece of Tourmaline (Schorl)

#25 could also be Galena an ore of lead.

 

Very nice collection of minerals Nationalbank!

I think you're right on most of those. I didn't zoom in on the second pic of #5 so I missed the cubic shape. 

15 does indeed look like feldspar, but it also looks an aweful lot like travertine. Specifically the orange calcite out of Mexico. Still, I think you've bagged this one as well. 

I think 22 is actually the same stone as 14, oriented differently.

and 25, well galena is the name I was searching my brain for when I came up with limonite. Again, I think you've got it. They can look quite similar, but the color and luster are right for galena.

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