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 2:28 am

All times are UTC - 4 hours




Post new topic Reply to topic  [ 4 posts ] 
Author Message
 Post subject: Is this a Topaz?
PostPosted: Tue Jun 21, 2016 10:18 am 
Offline
New to the Forum or The Quiet Type

Joined: Sat Jun 04, 2016 8:17 am
Posts: 1
Hi all,

My brother got this stone but we are unable to tell if this is a quartz or a topaz or other stone. Can someone advise? Thank you.


Attachments:
File comment: Is this a topaz or a quartz crystal?
IMGP7810.jpg
IMGP7810.jpg [ 115.58 KiB | Viewed 1435 times ]
Top
 Profile  
Reply with quote  
 Post subject: Re: Is this a Topaz?
PostPosted: Tue Jun 21, 2016 12:29 pm 
Offline
Moderator
User avatar

Joined: Mon Apr 02, 2012 9:31 pm
Posts: 4015
Location: North Carolina
Could be. Look for the basal perfect cleavage for which topaz is famous. Should be one orientation with a lot of perfectly flat faces.

_________________
Rough and cut classic and exotic synthetic gems:https://store.turtleshoard.com


Top
 Profile  
Reply with quote  
 Post subject: Re: Is this a Topaz?
PostPosted: Mon Jan 22, 2018 3:20 pm 
Offline
New to the Forum or The Quiet Type

Joined: Mon Jan 22, 2018 1:14 pm
Posts: 1
crystalbluesky wrote:
Hi all,

My brother got this stone but we are unable to tell if this is a quartz or a topaz or other stone. Can someone advise? Thank you.


https://www.youtube.com/watch?v=_AxFNtV15vE

Gem Identification - Specific Gravity
quartz - 2,59-2,63
topaz - 3,49-3,57


Top
 Profile  
Reply with quote  
 Post subject: Re: Is this a Topaz?
PostPosted: Tue Jan 23, 2018 12:55 pm 
Offline
Site Admin
User avatar

Joined: Sun Oct 16, 2005 12:22 pm
Posts: 21600
Location: San Francisco
Or,




List of Gems and their SG's from the Gemology Project:


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 4 posts ] 

All times are UTC - 4 hours


Who is online

Users browsing this forum: No registered users and 3 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