From:
"John VanCamp" <jvcstnwrks@zzzzzzzzzzzzz>
Date:
Wed, 18 Feb 2004 19:42:05 -0600
Subject:
black soapstone
Hi every one. As to the Virginia Soapstone, It is what would be
called a steatite by a geologist. It is a massive and well
compacted form of soapstone, both of which are predominately the
mineral talc. One could liken it to the difference between
limestone, and a very compacted form of limestone. Same
minerals, but a lot of difference in stiffness, or resistance to
tooling if you prefer. Mohs' hardness would be the same. I had
the pleasure of spending a few hours at the old stone mill and
quarry in Schuyler (sp?) Virginia summer before last. Brought a
ton or so of stone back to Texas with me--Two different
varieties Old Dominion which I believe is the same as Black
Pearl, and Alberene which is more of a greenish gray color. Have
been told that analysis of the Virginia stones show them to be
free of asbestoses. However, since talc is a silicate of sorts
(Mg3Si4O10(OH)2) breathing the dust would still not be a good
idea.
- References
- message 00184: black soapstone - Karen Bereza (18 Feb 2004)
- message 00185: black soapstone - Bill Marsh (18 Feb 2004)
- Previous by Thread: message 00185: black soapstone - Bill Marsh (18 Feb 2004)
- Next by Thread: message 00187: black soapstone - Karen Bereza (19 Feb 2004)
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