Forum Home Forum Home > Topics not related to music > General discussions
  New Posts New Posts RSS Feed - Gemstones
  FAQ FAQ  Forum Search   Events   Register Register  Login Login

Gemstones

 Post Reply Post Reply Page  <12345 10>
Author
Message
nick_h_nz View Drop Down
Collaborator
Collaborator
Avatar
Prog Metal / Heavy Prog Team

Joined: March 01 2013
Location: Suffolk, UK
Status: Offline
Points: 6737
Post Options Post Options   Thanks (1) Thanks(1)   Quote nick_h_nz Quote  Post ReplyReply Direct Link To This Post Posted: June 27 2022 at 12:16
Originally posted by Archisorcerus Archisorcerus wrote:

^ Oh, OK. We are friends again Nick. Your obstinacy shattered my walls. Big smileHug

No, but I Googled those emeralds, quite an oddball of a gemstone, I must say.

And, this is another stunning blue gemstone:

Celestine
Wow! That’s gorgeous! I have never seen any celestine, before. Well, at least, not as a stone. I would guess I’ve seen rather a lot of it over the years as fireworks, though! 😄



Edited by nick_h_nz - June 27 2022 at 12:18
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: June 27 2022 at 12:29
^ It is more commonly known as celestite.

But hey, this is CELESTINE (you get what I mean):

290044115-1980286732155629-3016943544482345751-n

Edited by Archisorcerus - June 27 2022 at 12:30
Back to Top
nick_h_nz View Drop Down
Collaborator
Collaborator
Avatar
Prog Metal / Heavy Prog Team

Joined: March 01 2013
Location: Suffolk, UK
Status: Offline
Points: 6737
Post Options Post Options   Thanks (0) Thanks(0)   Quote nick_h_nz Quote  Post ReplyReply Direct Link To This Post Posted: June 27 2022 at 13:05
Originally posted by Archisorcerus Archisorcerus wrote:

^ It is more commonly known as celestite.
Possibly. I would have to take your word on that, but I don’t disbelieve you. I know it as celestine, but that is possibly because I worked at a jewellers, and celestine is a “nicer” name.

I had never heard it called celestite before, so perhaps it is a geographical thing as to which name people call it by. Similar, I guess to aluminium and aluminum (which I just had a bloody hard time typing, as it kept being auto-corrected).

It’s very pretty, regardless.

Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: June 27 2022 at 13:11
I've just stumbled across this one on Facebook. Agate, I guess. They called it "banana cream". It is from Turkey. Hmm, another kind of "Turkish delight" that looks delicious, indeed. LOL

289837342-3149633782032568-8042721056562957880-n

Edited by Archisorcerus - June 27 2022 at 13:13
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: June 27 2022 at 13:27
Rainbow obsidian

289626438-525732776007786-4562975052222307383-n
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: June 28 2022 at 03:29
Agate again... This time from Texas. Cool!

290020755-10227852283802334-1246679886384235822-n
Back to Top
nick_h_nz View Drop Down
Collaborator
Collaborator
Avatar
Prog Metal / Heavy Prog Team

Joined: March 01 2013
Location: Suffolk, UK
Status: Offline
Points: 6737
Post Options Post Options   Thanks (1) Thanks(1)   Quote nick_h_nz Quote  Post ReplyReply Direct Link To This Post Posted: June 28 2022 at 03:33
I like both this agate and the “banana cream” you posted earlier. Agate is just cool.

Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: June 28 2022 at 03:54
^ Glad that you liked them!

And oh, larimar is more "aquamarine" than aquamarine. Wink

290179580-2203177766501367-8956081620023928797-n
Back to Top
nick_h_nz View Drop Down
Collaborator
Collaborator
Avatar
Prog Metal / Heavy Prog Team

Joined: March 01 2013
Location: Suffolk, UK
Status: Offline
Points: 6737
Post Options Post Options   Thanks (1) Thanks(1)   Quote nick_h_nz Quote  Post ReplyReply Direct Link To This Post Posted: June 28 2022 at 04:05
Blue pectolite is absolutely the most beautiful of the colours it can be found in, and absolutely looks more “aquarmarine” than aquamarine. In the UK, you’re more likely to come across pectolite that is pink, as Scotland is “well known” for its pink pectolite - but it’s nothing on the colouration of larimar.



Edited by nick_h_nz - June 28 2022 at 04:05
Back to Top
BaldJean View Drop Down
Prog Reviewer
Prog Reviewer
Avatar

Joined: May 28 2005
Location: Germany
Status: Offline
Points: 10387
Post Options Post Options   Thanks (0) Thanks(0)   Quote BaldJean Quote  Post ReplyReply Direct Link To This Post Posted: June 28 2022 at 04:07
Originally posted by nick_h_nz nick_h_nz wrote:

Actually, the stones posted by Ozgur could well be, and probably are, “Santa Maria” aquamarine. Given they have not been polished and faceted, it is difficult to tell what colour they might be as a “finished” gemstone. Also, Santa Maria aquamarine can still have quite a range of hue and tone, and can mean something different depending on how it is used. You need only Google image search for Santa Marine aquamarine, and I am sure you will see quite a variation in colour. All it really means is that blue is more predominant than green, so the stone will be noticeably more blue, and described as blue, rather than blue-green. But there are still plenty of tones and hues of blue that are not blue-green,
 

according to Heide Rezepa-Zabel, who is a professional gemstone evaluator and the expert who evaluated this gem, this is not true. she said:

"Santa Maria is a color designation and a trade mark. this singular color (put into bold by me) was so rare that it was first discovered in the Santa Maria de Itabira mine in Menas Gerais in the 1920s. ... these stones were found over a period of about 25 years".

here a link to a website which says the same:

https://www.leibish.com/what-is-santa-maria-aquamarine-gemstone-article-1572

here an excerpt from this article describing the main characteristics of a Santa Maria gemstone:

The 4 Cs of the Santa Maria Aquamarine Gemstone

Most gemstones are assessed using the 4 Cs: color, clarity, cut, and carat. Color is of utmost importance for colored gemstones like aquamarine stones. Therefore, they are first categorized by the quality and type of color that they display, such as a Santa Maria blue. Clarity refers to the imperfections or the lack thereof, within a stone. For colorless stones it is ideal to be as clear and void of inclusions as possible. While it is still of great significance to showcase impressive clarity, color gemstones, particularly beryl, generally possess some sort of imperfection. Having said that, Santa Maria aquamarine gemstones are known for being ‘eye clean,’ meaning, inclusions cannot be detected by the unaided eye. In terms of cut, aquamarine stones need to be cut with sharp angles and symmetric patterns because of their reflective nature. This is why stones with a high clarity can still appear dull if they have a poor cut. Lastly, it is difficult to find a Santa Maria aquamarine in large carat sizes. Half a carat is about the largest size for an average stone. However, LEIBISH is fortunate enough to possess a 1.23-carat Santa Maria oval-shaped aquamarine gemstone.


this article mentions that aquamarines of this color are now called "Santa Maria" regardless of their origin; Heide Rezepa-Zabel mentioned this too. but from the way the socket was crafted she could date it into the 1920s and was extremely certain that this gem is really from the original Santa Maria mine. I uploaded her expertise; the video is of course in German.


the expertise stated that this gemstone was top in all 4 regards: color, clarity, cut and carat.

of course there are offerings of so-called Santa Maria aquamarines in the internet, but only very few of those are real ones


Edited by BaldJean - June 28 2022 at 05:53


A shot of me as High Priestess of Gaia during our fall festival. Ceterum censeo principiis obsta
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: June 29 2022 at 01:52
Wood replacement/fossilised wood Boulder Opal with a beautiful cathedral patterned formation Queensland, Australia.
Photo Copyright ©&amp;#65039; Signature Opal 290892203-1984774555040180-8474844330190931457-n
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: June 30 2022 at 12:07
This was the 2nd agate from Turkey I've seen in the last couple of days out of the 3 in total; and no, I'm not following Turkish sources for that on Facebook. This was bought by an American. Lovely.

290338784-5867497966598131-5296953680317091261-n
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: July 03 2022 at 15:55

Rare Baby Snake Fossil Found in Amber From Age of Dinosaurs

Scientists working in Myanmar have uncovered a nearly 100-million-year-old baby snake encased in amber. Dating back to the Late Cretaceous, it’s the oldest known baby snake in the fossil record, and the first snake known to have lived in a forested environment. Source: https://www.geologyin.com/2018/07/rare-baby-snake-fossil-found-in-amber.html Rare-Baby-Snake-Fossil-Found-in-Amber-From-Age-of-Dinosaurs-2

Edited by Archisorcerus - July 03 2022 at 15:57
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: July 05 2022 at 11:08
Another "delicious" agate: the grape agate. This looks exceedingly edible, lol.

FNZnp4s-X0-AAJ3e-C




Edited by Archisorcerus - July 05 2022 at 11:09
Back to Top
verslibre View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: July 01 2004
Location: CA
Status: Offline
Points: 17055
Post Options Post Options   Thanks (1) Thanks(1)   Quote verslibre Quote  Post ReplyReply Direct Link To This Post Posted: July 05 2022 at 16:10
Outstanding photography, Archisorcerus! As a kid, I loved geodes & gems. Someday...
Back to Top
darksinger View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: May 29 2006
Location: Durham, NC
Status: Offline
Points: 1091
Post Options Post Options   Thanks (1) Thanks(1)   Quote darksinger Quote  Post ReplyReply Direct Link To This Post Posted: July 05 2022 at 21:06
Just received a package of stones from an estate of a rock shop owner who closed his shop in the 1980's and kept his remaining inventory in his private collection since. a slab with some druzy, a lot of snake agate and a really nice geode.
Back to Top
verslibre View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: July 01 2004
Location: CA
Status: Offline
Points: 17055
Post Options Post Options   Thanks (0) Thanks(0)   Quote verslibre Quote  Post ReplyReply Direct Link To This Post Posted: July 06 2022 at 10:07
Originally posted by darksinger darksinger wrote:

Just received a package of stones from an estate of a rock shop owner who closed his shop in the 1980's and kept his remaining inventory in his private collection since. a slab with some druzy, a lot of snake agate and a really nice geode.

Very cool!
Back to Top
Davesax1965 View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: May 23 2013
Location: UK
Status: Offline
Points: 2839
Post Options Post Options   Thanks (1) Thanks(1)   Quote Davesax1965 Quote  Post ReplyReply Direct Link To This Post Posted: July 08 2022 at 07:53
Archisorcerus and I seem to be in the same Facebook group. ;-) 

Many, many years ago, I used to organise rough diamond buying tours in South America. (Long story and not very pretty. ;-) ) The contacts I had over there also had a Paraiba Tourmaline mine. 

I was once asked to sell a 30,000 carat parcel of this - they're incredible gemstones. The chance of offloading a huge parcel like that was precisely nil, even through the big gemstone buyers, and I did tell them but nope, not listening. 




Edited by Davesax1965 - July 08 2022 at 07:54

Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: July 12 2022 at 06:29
Blue, blue... well, blue again!

Linarite is probably the most intensive blue mineral of all. This fantastic fan of linarite is less than 2mm! From Dolea, Brusturi, Bihor, Romania.
Photo Copyright ©&amp;#65039; Fine mineral photography 292135548-1995058234011812-189025292265205516-n
Back to Top
Archisorcerus View Drop Down
Forum Senior Member
Forum Senior Member
Avatar

Joined: February 02 2022
Location: Izmir
Status: Offline
Points: 2661
Post Options Post Options   Thanks (0) Thanks(0)   Quote Archisorcerus Quote  Post ReplyReply Direct Link To This Post Posted: July 12 2022 at 09:04
And again...

Stunning Azurite rosette from Poteryaevskoe Mine, Western-Siberian Region, Russia.

Photo: Quebul Fine Minerals

293193666-162918076258275-6868056194630945220-n
Back to Top
 Post Reply Post Reply Page  <12345 10>

Forum Jump Forum Permissions View Drop Down



This page was generated in 0.104 seconds.
Donate monthly and keep PA fast-loading and ad-free forever.