To: Meteorite Mailing List
Subject: Re: [meteorite-list] Heat-treating tektites
Rob list,
The last post clarifies the question a bit. A few
years ago I received a large shipment of Lei gong mo.
Included with these were a couple of dozen specimens
with strong carnival-glass-like patinas, a full
I know that old glass bottles (besides going purple) will also develop a
metallic rainbow patina from being exposed to UV radiation and weak acids,
as they might encounter after years in a dump. Considering that tektites
have been around for thousands of years longer than man-made glass, it's
Thanks, everyone, for their inputs on the effects of heating tektites.
My reason for posing the question was that a friend told me about a
mineral dealer (in Ventura County, CA, I believe) who was selling
heat-treated tektites in a variety of unusual colors. I told my
friend that it sounded
Rob:
Hello. My wife collects glass insulators, the kind that sit on old
telephone and telegraph poles. Most of the insulators started out as clear
glass. Over the years many of them, due to ultraviolet radiation exposure
have turned to colors including green, blue, yellow, purple etc.
Rob list,
The last post clarifies the question a bit. A few
years ago I received a large shipment of Lei gong mo.
Included with these were a couple of dozen specimens
with strong carnival-glass-like patinas, a full
rainbow of submetallic colors. I have seen weaker
examples of this sort of
Hi Rob,
One other thought on this is, the tektite may be mixed with other glass and colors to
produce the result somehow but I agree with you that it sounds a bit funny. Until
someone sees, asks questions and so forth it would be difficult to know for sure.
--AL
6 matches
Mail list logo
