Skip to content
Dr. Lore Kiefert
Gemmology Consulting
Menu
Home
Services
Training
Classes
Gemstone Testing and Sorting
Lectures
Library
Books
Presentations
Podcasts
Publications
News
About
Mission
Impressum
Partnerships
Chat Corner
Podcasts
Posted on
May 25, 2020
October 3, 2020
Black opals from Ethiopia
Posted on
May 14, 2020
May 25, 2020
Gemstones from Ethiopia
Posted on
May 11, 2020
May 25, 2020
Green amber from Ethiopia
