Roskin Gem News Report

The Latest Issue

The latest issue of the Journal is out and available in pdf online.
Inside you will find an incredible study of the Imperial Crown of the Holy Roman Empire.
You will also find several other articles worth the read, including:
Cobalt Spinel from Mahenge, Tanzania
Copper Minerals in Chalcedony from Indonesia
Nephrite from the state of Washington showing a new phenomenal variety.

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Roskin Gem News Report
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