Message:

<p>[QUOTE=&quot;say_it_slowly, post: 154045, member: 50&quot;]I&#039;m not sure what the marks mean but I can tell you a little about the difference in porcelain etc.&nbsp; Ceramic is a general term that includes porcelain, stoneware and earthenware. Both stoneware and porcelain are made with clays that can be fired at very high temperatures that cause the them to vitrify to various degrees and makes them fairly impervious to water. Earthenwares are made with clays fired at lower temperatures and need to be glazed if they need to be impervious to water.</p><p><br /></p><p>A little trick from archaeology.....if you touch the unglazed portion of a piece to your tongue earthenwares will &quot;stick&quot; to your tongue a little but porcelains and stonewares don&#039;t &quot;stick&quot;.[/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