[Rockhounds] Need ID of Massive Moh 7.5 Crystal

[Carolyn Reynard]

Hi Jim,  Looks very much like glass, great color.  Looks like it is filled
with bubbles and flow pattern.  Here in the Hudson Valley of NY we find a
lot of glass slag, blues, purples, greens but none transparent as your
piece, so I don't think your piece is from an iron furnace.

Carolyn Reynard

----- Original Message ----- 
From: "Jim Marshall" <thai_buyer at yahoo.com>
To: <rockhounds at lists.drizzle.com>
Sent: Sunday, October 05, 2008 10:40 AM
Subject: [Rockhounds] Need ID of Massive Moh 7.5 Crystal


To all,


I need the help of a serious rockhound. My travels have brought this large
crystalline rock into my hands. It weighs 2.15 kilos. It is a dark green,
that transitions to brown with yellow/gold crystal encrustations. The green
section is transparent / translucent while the darker composition is less
so. Using a set of hardness pencils (points) I have done a scratch test and
all results show - 7 does not scratch and 8 does. Locale of origin: Thailand
/ Cambodia. Based on the scratch test, it is obviously not quartz or glass.
My best guess at the moment is a variety of green Garnet, but I am not sure
which variety. Other less likely possibilities are beryl or tourmaline but
neither comes from this area and I don't think either one is found in a
similar size. You may email me (Jim) at: Thai_buyer at yahoo.com if you would
like to discuss. Picture link below:

http://smg.photobucket.com/albums/v177/thai_buyer/?action=view&current=IMG_0687.jpg

Thanks,

Jim





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