CIBJO releases Gemmological Special Report: considers process of separating measurable facts from opinion; See Gemological Articles below.
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PostPosted: Mon Aug 20, 2007 1:55 pm 
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Yep, I'm throwing in the towel here as well.


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PostPosted: Mon Aug 20, 2007 2:49 pm 
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I have decided to edit my previous posts, since it was about definitions at first but I was mumbling about causes of colour as Doos pointed out. But from a philosophers point of view the discussion is interesting... depends on which leg you stand on of course.


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PostPosted: Mon Aug 20, 2007 7:35 pm 
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Don't quit now. :cry:

I believe you will all agree that demantoid garnet is THE idiochromatic color variety of andradite, an idiochromatic gemstone, and an idiochromatic mineral—all due to its essential iron content.

Now, let us consider the other color varieties of andradite—melanite, schorlomite, and topazolite.

Although all of them owe their characteristic colors to the presence of "trace impurities," we cannot call them allochromatic minerals, as andradite is an idiochromatic mineral and not colorless when pure. But then, gemologists can't call them idiochromatic minerals because the colors they exhibit are due to impurities and not essential to their structure.

Oh what a tangled web we weave when first we practice to decieve (Scott)

But we can say "All color varieties of all minerals are idiochromatic gemstones." Granted, in other words we are essentially saying "Red gems must be red, and blue gems must be blue." And who can argue with that except the sellers of red emeralds. :D :D


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PostPosted: Mon Aug 20, 2007 9:00 pm 
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:smt075

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PostPosted: Mon Aug 20, 2007 9:40 pm 
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Auguste Rodin once asked these questions to a man sitting on a rock. The man has not moved in more than a century.

I wasted 5 minutes today contemplating mustard or mayo on my baloney sandwich. I'm glad there was no rock nearby. :)


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PostPosted: Mon Aug 20, 2007 9:50 pm 
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Then I guess, we can all agree that even a discussion of allochromatic gems is somewhat pointless, as it appears that all individual colored gems could be termed idiochromatic if one puts the proper spin on the stone and the proper spin on their narrow classification scheme.....

Image

I'm off to find a rock!
Preferably, a colorless one.


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PostPosted: Mon Aug 20, 2007 10:01 pm 
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Today, I only wasted about ten seconds on the mustard vs mayo question, before deciding to have both on my ham and cheese sammich.


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PostPosted: Mon Aug 20, 2007 11:54 pm 
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Brian wrote:
Today, I only wasted about ten seconds on the mustard vs mayo question, before deciding to have both on my ham and cheese sammich.


My thoughts, exactly. When in doubt, splurge and have both! :smt023

MoDo, you crack me up!! :smt105

As for the rest of you, when did arguing semantics ever get anybody anywhere?! Very interesting read, though. :smt115

...now my brain's worn out.... :smt015

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PostPosted: Tue Aug 21, 2007 4:55 am 
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Brian wrote:
Today, I only wasted about ten seconds on the mustard vs mayo question, before deciding to have both on my ham and cheese sammich.


How did you come forward to your conlusion which one should be used first on your sandwich? May I ask - did you pick the mustard as your first choice? Hehehehe or did you put them simultaneously on the bread? Twinning? Muahhaha (sorry couldnt help it). :roll: [For fun or for profit it says...]


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PostPosted: Tue Aug 21, 2007 12:10 pm 
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I would think Brian would put mustard on one slice of bread and mayonnaise on the other slice of bread :D . To break it down even further ... mustard on the bread that touches the ham and mayonnaise on the slice that touches the cheese 8) .

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