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Recent Answers

2017-01-12 Geology - China–Pakistan Economic Corridor:

CEPC is planned to go through several naturally gifted resources territories including rugged and very inhospitable  Balochistan province. Metallic, non metallic minerals along with precious and semi precious

2017-01-04 Jewelry, Gems, & Minerals - Green Stones in Bracelet:

Hi Yolanda,    There are some simple self tests you can do to narrow the identity of the green stones. Here are some of the answers on this subject that I have given before:

2017-01-02 Jewelry, Gems, & Minerals - Gold Ring:

Hi Lisa,  I am not a jeweler, just an expert in minerals and certain metals, but my understanding is that PSD is a manufacturers mark, especially if it is printed right after the 14k.  Gold plating marks

2017-01-01 Careers: Geology - A Double Major in Geology and Astronomy?:

Lexi:    Thirty odd years ago, I had a Had a classmate in graduate school who said he wanted to be an interplanetary geologist.  I laughed because I had never heard of such a thing. The only "interplanetary

2016-12-16 Jewelry, Gems, & Minerals - Black Opal:

Hi Tim ,  wow man , its taken all my life to understand Opal and value , its not something I can truelly answer in a sentence or paragraph , but many years of experience . and without sounding like a goof


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