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 Post subject: Name 7 Gems, Win!
PostPosted: Sun Oct 01, 2006 8:38 am 
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Hi All,

This is my first attempt at running a quiz. These are pretty easy but they are inclusion photos. The first person to name all 7 gems by variety wins a copy of Gemology Tools Professional ($59.95, software for the gemologist or gem-o-nut). Note: if you already own GT Pro please refrain from participating (since you could just look them up, anyway). Thanks.

http://gemologytools.com/SixQuizStones.htm

Good luck.

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Bill Wise
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http://www.gemologytools.com (if you use a Windows machine)
http://www.gemologytoolsonline.com (if you use a Mac or iPad)


Last edited by GTP Bill on Sun Oct 01, 2006 10:55 am, edited 1 time in total.

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PostPosted: Sun Oct 01, 2006 8:41 am 
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You don't need to name the inclusions (extra bragging rights if you do, however).

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http://www.gemologytoolsonline.com (if you use a Mac or iPad)


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PostPosted: Sun Oct 01, 2006 9:43 am 
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I'll guess as best I can, here goes:

1. Sapphire
2. Sunstone
3. Demantoid garnet
4. ??
5. Hessonite garnet
6. Zircon
7. ?? (something doubly refractive)


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PostPosted: Sun Oct 01, 2006 9:54 am 
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Hi africanuck,

Well, this may be a tad harder than I thought it would be since you were one of my frontrunners based on past performance.

1) No
2) No
3) Yes
4) No
5) Close, but no
6) No
7) No (but your guess at DR is correct).

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http://www.gemologytoolsonline.com (if you use a Mac or iPad)


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PostPosted: Sun Oct 01, 2006 10:30 am 
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Quote:
Well, this may be a tad harder than I thought it would be since you were one of my frontrunners based on past performance.


I'm so ashamed :oops: :lol:

Am I allowed to continue, or is it one try per person?


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PostPosted: Sun Oct 01, 2006 10:54 am 
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Ashamed?? Don't be ridiculous. I'm a GG but when people send me photos I generally rely on them for ID. Looking at a picture (especially of inclusions) is really just a guessing game.

And, yes, fire away. Take as many shots as you want.

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PostPosted: Sun Oct 01, 2006 10:58 am 
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O.K., here goes some guessing....

1. Rhodolite (looks much like some needles in some rhodolite I have)
2. Hessonite
3. Demantoid (lovely horsetail)
4. Amethyst
5. Spessartite
6. Tourmaline
7. Zircon

Great quiz Bill! Hope I get something right! -carrie


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PostPosted: Sun Oct 01, 2006 11:04 am 
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Hi Carrie,

You did get something right (besides Demantoid):

1) No
2) No
3) Yes
4) No
5) Yes!!
6) No
7) No

Keep trying!

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http://www.gemologytoolsonline.com (if you use a Mac or iPad)


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PostPosted: Sun Oct 01, 2006 11:30 am 
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Gemology Tools Professional is an excellent software program, by the way.
It really encourages a sensible and accurate approach to Gem ID!
Believe me, if I didn't already own a copy of this software, I'd be trying to win it!


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PostPosted: Sun Oct 01, 2006 12:08 pm 
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I think I have the GTP ... but it's loaded on my mother's computer, since that's what I was using at the time. Any way to reload it to my computer? :smt017


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PostPosted: Sun Oct 01, 2006 12:09 pm 
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I'm at a complete loss as to what number 2 might be if it isn't Oregon sunstone...

6. Andalusite
7. I want to say peridot, but the stone isn't green. Is it something that has been heat treated?


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PostPosted: Sun Oct 01, 2006 12:18 pm 
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On #2, the red are phantoms (that might give it away).

6) No
7) No, I don't believe it has been heat treated. A hint here: this particular piece is more of a specimen than a gem, although the variety is a common, well known gem.

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PostPosted: Sun Oct 01, 2006 12:31 pm 
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2. Quartz with red hematite phantoms?


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PostPosted: Sun Oct 01, 2006 12:33 pm 
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In thinking about stone 1., I only see intersecting silk/needles described in corundum, garnet and quartz. Is there another stone I should be considering?


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PostPosted: Sun Oct 01, 2006 12:36 pm 
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Quote:
2. Quartz with red hematite phantoms?



2) No, but you are right about them being hematite phantoms.

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http://www.gemologytools.com (if you use a Windows machine)
http://www.gemologytoolsonline.com (if you use a Mac or iPad)


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