November 13 and 14; SAN FRANCISCO, CALIFORNIA: Show and sale; Pacific Crystal Guild; Fort Mason Center; Sat. 10-6, Sun. 10-4
Welcome to the GemologyOnline.com Forum
A non-profit Forum for the exchange of gemological ideas
It is currently Thu Dec 02, 2021 12:18 pm

All times are UTC - 4 hours




Post new topic Reply to topic  [ 2 posts ] 
Author Message
 Post subject: Anyone know this stone or crystal
PostPosted: Wed Sep 29, 2021 6:11 pm 
Offline
New to the Forum or The Quiet Type

Joined: Tue Sep 28, 2021 3:30 pm
Posts: 1
I'm curious what stone or crystal this could be


Attachments:
20210928_115248.jpg
20210928_115248.jpg [ 2.04 MiB | Viewed 321 times ]
20210928_115312.jpg
20210928_115312.jpg [ 1.62 MiB | Viewed 321 times ]
Top
 Profile  
Reply with quote  
 Post subject: Re: Anyone know this stone or crystal
PostPosted: Thu Sep 30, 2021 2:21 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 21086
Location: San Francisco
I believe a few additional tests are in order.
Can you scratch it with a pen knife, hardness 5.5; a real COPPER penny, hardness 3.5; fingernail, hardness 2.5?
Take care of that thumb nail. We don't want to see any more mishaps.

It you put a couple drops of vinegar on it, does it fizz?

Report back.


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 2 posts ] 

All times are UTC - 4 hours


Who is online

Users browsing this forum: No registered users and 0 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group
Gemology Style ported to phpBB3 by Christian Bullock