[Rockhounds] Need ID of Massive Moh 7.5 Crystal

[Jim Marshall]

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 attached.
 
Thanks,

Jim


      

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