GemologyOnline.com

Hi James.
Please post about your latest endeavors, and old ones too.
You've been a member for a long time!
Welcome back.

Absolutely! I find everything you have to say interesting!

I really enjoyed reading that Dioptase! Lots of solid info.

According to GemWorld, Int. zircon was on fire at the show.
Anyone see any zircon of note?
https://www.gemguide.com/gem-focus-febr ... g-in-2026/

Dioptase is colored green with copper, not chromium.

poops.
I was going to have a friend try to find some for me in Tucson.
I guess if she sees anything that looks right she can collect business cards.

I've moved this topic to a more appropriate section.

https://www.idexonline.com/image_bank/NewsRoom_FullArticle/diamonds/kimb.jpg
An extremely rare relic from the earliest years of the Kimberley diamond rush - a rough stone, still embedded in kimberlite - sold at auction in London for £10,500 ($14,000).

It dates back to the New Rush at ...

OK, good luck with your business, but bear in mind this is a gemological venue. Our members are established in the industry and I dare say are well aware of what quality stamps in jewelry items should imply.

Unless a quality stamp is accompanied with a registered maker's mark or hallmarking it is ...

It's a very pretty stone. Elongated cabochon is unusual!

As I understand it, this stone is transparent chalcedony colored with chrysocolla.
Some of the nicest examples I've seen.
from: birubacan_jakarta

Jaw dropping improvements. Well done.

I like to sprinkle it on top of the frothy egg whites on a whiskey sour.

Demantoid,

You are describing a very specialized assignment.
Most jewelry appraisers are not qualified to identify and value mineral specimens.

When I think of mineral specialists, the Larsons come to mind.

I would recommend contacting them and ask if they can recommend someone in Texas