January 24 Through February 4—TUCSON, ARIZONA: Annual show
Welcome to the GemologyOnline.com Forum
A non-profit Forum for the exchange of gemological ideas
It is currently Tue Mar 19, 2024 5:39 am

All times are UTC - 4 hours




Post new topic Reply to topic  [ 17 posts ]  Go to page Previous  1, 2
Author Message
 Post subject: Re: Can Anyone Help with This transparent Stone
PostPosted: Thu Feb 18, 2021 7:12 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 21600
Location: San Francisco
rmohamm1,
What is the carat weight of your quartz in air?
What was the carat weight of your quartz in water?


Top
 Profile  
Reply with quote  
 Post subject: Re: Can Anyone Help with This transparent Stone
PostPosted: Thu Feb 18, 2021 7:30 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 21600
Location: San Francisco
rmohamm1 wrote:
Just an update of the SG reading using a 0.00 scale = 2.59 which marries up to quartz

I'm not convinced. I agree it looks like qtz but the SG should be closer to 2.65.

Now that you have a polariscope (with a coniscope,I hope), you can test the suspected quartz for a number of properties.
Please Review


and
https://www.gemologyproject.com/wiki/in ... olariscope

Quartz has a diagnostic optic figure. Uniaxial bulls-eye is a slam dunk for qtz ID.
Image


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 17 posts ]  Go to page Previous  1, 2

All times are UTC - 4 hours


Who is online

Users browsing this forum: No registered users and 4 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