Re: Basic knowledge mineral Anatase

t(nospam)kavanagh" <"tkavanag wrote: d42vtl$ep0$1@xxxxxxxxxxxxxxxxxxxxxxxx,

"I.E_Johansson" wrote:

<snip> 
 http://www.cals.ncsu.edu/research/s207/sem/figlist.htm

When such sand is cleaned and filtered to be fine sand grain to dry
ink or be used in sand-time clocks, the result will be uniform TiO2
grains.


So by this citation Mrs. Johansson is arguing that the source for the
Ti02 grains on the VM is from the Southeastern US?
See the full paper:

http://www.cals.ncsu.edu/research/s207/sem/

"MORPHOLOGY AND MINERALOGY OF WATER DISPERSIBLE
SANDS AND SILTS FROM > AGRICULTURAL SOILS OF THE
SOUTHEASTERN STATES"



Very convincing evidence also from her second link:

"" Nice specimens of anatase are associated with  quartz
   and are considered classics in the mineral world.
   The good luster, well formed crystal shape and interesting
   character make anatase a popular mineral for collectors ""
http://www.fy.chalmers.se/conferences/nt05/abstracts/P213.html

Was the VM scribe a collector of minerals?

--
- Peter Alaca -






.

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