Research Article Search Results
Appendix 3: Calculation Method for Tourmaline Species Classification Used Here
Calculation Method for Tourmaline Species Classification Used Here
Appendix 4: Guideline for Simplified Distribution of Site Occupancy for LA-ICP-MS Data
Guideline for Simplified Distribution of Site Occupancy for LA-ICP-MS Data
Appendix 5: Simplified Tourmaline Species Classification for LA-ICP-MS Data
Simplified Tourmaline Species Classification for LA-ICP-MS Data
Appendix 1: Comparison of LA-ICP-MS and EPMA Data, Part 1
Comparison of LA-ICP-MS and EPMA Data, Part 1
Recycled Gemstones from Perpetuum Jewels
A wholesaler supplying the bridal market with recycled gemstones and antique cuts shares his thoughts on the market and on responsible practices.
CIBJO Blue Book and “Do’s and Don’ts” Guide on Responsible Sourcing
The World Jewellery Confederation (CIBJO) released the first edition of the Responsible Sourcing Book in January 2019.
Trapiche Emerald from Colombia
The examination of a nearly complete trapiche emerald crystal–which are difficult to obtain–is consistent with the findings of previous studies.
“Rainbow Lattice” from Australia
One of the most striking materials encountered in the Riverpark Inn (Pueblo) Gem Show was “rainbow lattice.”
The Rock Hound: Muzo Emeralds and Ethical Practices
Susi Smither discusses her sustainable, responsible, and ethically based business practices.
Jeff Hapeman: Stories from a Gem Cutter
Jeff Hapeman of Earth’s Treasury (Westtown, Pennsylvania) loves a gemstone with a good story.
Sourcing Stones with Columbia Gem House
Thoughts from a longtime Tucson exhibitor on responsible practices and the changing market trends.
