> >I think you got hold of the wrong end of
> >the stick old boy. Best not to rely on
> What's that..... the ability to flip a page
> backwards and look down at it's bottom right? Care
> tell all of us what the proceeding Fig. 5.14 on
> page 149 says MM5341 is made out of, you keep
> touting figure 5.15 on page 150 over and over
Possibly because it's the only one that has been cut in half and Stocks uses it for internal illustration
Travertine is the same rock that
> stalactites and such are made out of (precipitated
> calcite from groundwater in a large cave or
> whatever) thus the comb and colliform textures
> visible due to the back-lighting in fig 5.14.
> Calcite is not very resistant to abrasion since
> it's relative hardness is 3 on Mohs scale (or for
> that matter its 2 good cleavages for percussion)
> so why is it beyond Stocks' method of boring? And
> please don't keep going on about sandpaper and
> Dremel drums...... laps, tumblers, mud saws, etc,
> etc, etc. all use loose abrasive to work rock.
Not sure why you're still flapping your lips about materials..
No one has raised the issue other than yourself.
If you can hollow out a stone jar using loose abrasives then do so and demonstrate it on here.
> Not sure if it's been pointed out yet but MM5341
> is 46 cm tall and the top is 11.5 cm wide.
Yes.. Such is the power of Google.
You should have no problem in explaining these.
BTW how's your demonstration piece coming along? Can't wait to see the result.
Edited 2 time(s). Last edit at 08-May-16 01:40 by Jon Ellison.