Message:

<p>[QUOTE=&quot;Any Jewelry, post: 4346602, member: 2844&quot;]It looks like they could be Chinese turquoise, likely from Hubei province.</p><p>Testing can be done with a gem tester. </p><p>The cheap ones most of us use only test the hardness on the Mohs scale, which means you have to eliminate the possibility of stones with the same hardness. With turquoise that isn&#039;t too difficult, usually the visual is decisive.</p><p><br /></p><p>I have no reason to believe these stones are dyed, so no colour will come off in a colour test.</p><p>Another thing is that turquoise is often treated because it can be quite fragile. A lot of turquoise is impregnated with a synthetic substance, which also &#039;stabilizes&#039; the colour. Turquoise like that is called stabilized. You can rub as hard as you can, but stabilized turquoise won&#039;t give off colour, even if it is dyed.<img src="styles/default/xenforo/smilies/wink.png" class="mceSmilie" alt=";)" unselectable="on" /></p><p>The stones on the first necklace look stabilized to me. The stones on the second look more natural, but could be a mix of stabilized and natural.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in