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Gemstone Science
Lepidolite's Hidden Luminescence: The Science o...
Expert-level exploration of lepidolite optical phenomena including chatoyancy, asterism, UV fluorescence, and pleochroism. Learn crystallographic causes, inclusion geometry, and practical testing methods for this unique mica gemstone.
Lepidolite's Hidden Luminescence: The Science o...
Expert-level exploration of lepidolite optical phenomena including chatoyancy, asterism, UV fluorescence, and pleochroism. Learn crystallographic causes, inclusion geometry, and practical testing methods for this unique mica gemstone.
Iolite Impostors: A Collector's Guide to Spotti...
Expert guide for collectors on detecting synthetic iolite, spinel, glass, and other fakes. Includes dichroscope tests, FTIR analysis, inclusion patterns, and practical field methods.
Iolite Impostors: A Collector's Guide to Spotti...
Expert guide for collectors on detecting synthetic iolite, spinel, glass, and other fakes. Includes dichroscope tests, FTIR analysis, inclusion patterns, and practical field methods.
The Polymer Impregnation of Jadeite: A Case Stu...
A comprehensive case study on polymer impregnation of jadeite, covering the treatment process, identification using FTIR and Raman, market implications, and durability of Type B jade. Essential reading for gemologists...
The Polymer Impregnation of Jadeite: A Case Stu...
A comprehensive case study on polymer impregnation of jadeite, covering the treatment process, identification using FTIR and Raman, market implications, and durability of Type B jade. Essential reading for gemologists...
The Tenebrescent Enigma: How to Distinguish Nat...
Discover key methods to differentiate natural hackmanite from synthetic and imitation gems. Explore the relationship between rarity, detection, and market value with expert gemological insights.
The Tenebrescent Enigma: How to Distinguish Nat...
Discover key methods to differentiate natural hackmanite from synthetic and imitation gems. Explore the relationship between rarity, detection, and market value with expert gemological insights.
The Sunstone Trade: From Viking Navigation to M...
Discover the fascinating history of sunstone, a feldspar gem used by Vikings for navigation. Learn its mineralogical properties, aventurescence phenomenon, and how to evaluate quality in jewelry.
The Sunstone Trade: From Viking Navigation to M...
Discover the fascinating history of sunstone, a feldspar gem used by Vikings for navigation. Learn its mineralogical properties, aventurescence phenomenon, and how to evaluate quality in jewelry.
The Scientific Legacy of Star Sapphire: From An...
Discover the mineralogical fundamentals of star sapphire, including the optical phenomenon of asterism, historical significance, and gemological analysis of famous specimens like the Star of India.
The Scientific Legacy of Star Sapphire: From An...
Discover the mineralogical fundamentals of star sapphire, including the optical phenomenon of asterism, historical significance, and gemological analysis of famous specimens like the Star of India.