[Rockhounds] Calcite

[Pmodreski at aol.com]

That's an awesome description of that pocket, Bill.  Do you know if  anyone 
has a copy of that picture, posted online or ever published  anywhere?
 
I just searched on mindat and, interestingly, no one has posted  any calcite 
or stilbite images there; the only pictures (4) posted  there for Coffin Butte 
are analcime and apophyllite.
 
P.S., I did quite understand what was funny (?) about prismatic  calcite; 
sounds fine to me.  High cirrus clouds that show rainbow  colors near the sun are 
commonly called "prismatic clouds" in meteorology.
 
(of course, prismatic referred to a mineral would be confused with meaning  a 
prism-shaped crystal habit; parallel-elongated faces, which is something that 
 calcite can form.)
 
cheers,
Pete
 
 
 
In a message dated 12/6/2008 11:07:36 P.M. Mountain Standard Time,  
billtompkinscccc at comcast.net writes:




John-

I can't help myself.  You must be  drinking "Light" beer.  :)


Actually, I was with Jon Gladwell  when he broke into a huge pocket at Coffin 
Butte.  How big was it?   We stood two people in the pocket for a photo 
because we felt no one would  believe it wasn't just another fishing story.  The 
vug was about 8 feet  tall, 4 feet wide, and 3 feet deep, lined with inch long 
stilbites and 2 inch  calcite cubes about every 6 inches.  It was blinding in 
the  sunlight.

The next weekend, the entire area was gone, crushed into  gravel by the owner.

They've since filled the entire mountainside with  garbage, covered it with 
thick plastic, and now convert the methane gas to  electricity.

Too bad they did it so fast, there were areas with 2 inch  tall apophyllites, 
inch long stilbites in plates 6 inches across, half inch  analcimes, calcites 
by the dozens.......  ah, yes, I miss that  place.

Bill Tompkins

-------------- Original message  -------------- 
From: "John Siebel" <john at pandemoniumgraphics.com>  

> I've got a handsome calcite on stilbite from Coffin Butte, OR  (one of 
many). 
> In the proper light it shows a rainbow. How should I  label it? I'm 
thinking 
> prismatic perhaps? 
> 
> John  
> 
> 
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