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Beeswax Amber: Comparing Natural Field Specimen...
Explore the optical phenomena of beeswax amber and distinguish natural field specimens from laboratory-grown or treated materials using UV fluorescence, magnification, and other gemological tests.
Beeswax Amber: Comparing Natural Field Specimen...
Explore the optical phenomena of beeswax amber and distinguish natural field specimens from laboratory-grown or treated materials using UV fluorescence, magnification, and other gemological tests.
Lepidolite Under the Microscope: Mineralogy, Ch...
Explore lepidolite's mineralogy: its lithium-rich composition, crystal structure, hardness, cleavage, global occurrences, and tips for identifying and caring for this purple mica.
Lepidolite Under the Microscope: Mineralogy, Ch...
Explore lepidolite's mineralogy: its lithium-rich composition, crystal structure, hardness, cleavage, global occurrences, and tips for identifying and caring for this purple mica.
Alexandrite Mineralogy: A Deep Dive into Its Cr...
Delve into the mineralogy of alexandrite: its chrysoberyl crystal structure, chromium substitution, the physics of its color change, geological origins, and practical identification and care tips.
Alexandrite Mineralogy: A Deep Dive into Its Cr...
Delve into the mineralogy of alexandrite: its chrysoberyl crystal structure, chromium substitution, the physics of its color change, geological origins, and practical identification and care tips.
Chrome Tourmaline Identification: Optical Clues...
Discover the optical phenomena that distinguish chrome tourmaline from other green gems. This visual identification guide covers pleochroism, refractive index, and chromium spectrum tests.
Chrome Tourmaline Identification: Optical Clues...
Discover the optical phenomena that distinguish chrome tourmaline from other green gems. This visual identification guide covers pleochroism, refractive index, and chromium spectrum tests.
Beeswax Amber and Its Warm Glow: A Beginner’s G...
Explore the science of beeswax amber's glow, including translucency, UV fluorescence, and identification tricks. A beginner's guide to buying, treating, and caring for this ancient gem.
Beeswax Amber and Its Warm Glow: A Beginner’s G...
Explore the science of beeswax amber's glow, including translucency, UV fluorescence, and identification tricks. A beginner's guide to buying, treating, and caring for this ancient gem.
Labradorite: The Geology Behind the Legend, Sep...
Explore the true geology and mining of labradorite. Discover how labradorescence forms, where gem-quality stones are found, and how to distinguish folklore from science in this comprehensive guide.
Labradorite: The Geology Behind the Legend, Sep...
Explore the true geology and mining of labradorite. Discover how labradorescence forms, where gem-quality stones are found, and how to distinguish folklore from science in this comprehensive guide.