Search Gemstone Knowledge
Gemstone Encyclopedia
Pigeon Blood Ruby: The Chemical and Geological ...
Explore the chemical composition and geological origins of pigeon blood ruby, focusing on chromium and iron roles in marble-hosted deposits, and how trade terminology relates to measurable trace elements.
Pigeon Blood Ruby: The Chemical and Geological ...
Explore the chemical composition and geological origins of pigeon blood ruby, focusing on chromium and iron roles in marble-hosted deposits, and how trade terminology relates to measurable trace elements.
Charoite: Separating Natural Banding from Inter...
Learn why charoite's banded purple look comes from fibrous mineral structure, not play-of-color, and how transparency varies in this metasomatic rock from Siberia.
Charoite: Separating Natural Banding from Inter...
Learn why charoite's banded purple look comes from fibrous mineral structure, not play-of-color, and how transparency varies in this metasomatic rock from Siberia.
Flux-Grown vs. Flame-Fusion Mozambique Ruby: Wh...
Understand the laboratory growth methods used for synthetic ruby and the internal, optical, and chemical features that separate it from natural Mozambique ruby in gemological testing.
Flux-Grown vs. Flame-Fusion Mozambique Ruby: Wh...
Understand the laboratory growth methods used for synthetic ruby and the internal, optical, and chemical features that separate it from natural Mozambique ruby in gemological testing.
Jeremejevite: Geographic Occurrence and What It...
Discover where jeremejevite is found and why its geological formation in pegmatites makes it so rare. Learn about Namibian and Madagascar sources, its mineral identity, and how origin relates to...
Jeremejevite: Geographic Occurrence and What It...
Discover where jeremejevite is found and why its geological formation in pegmatites makes it so rare. Learn about Namibian and Madagascar sources, its mineral identity, and how origin relates to...
Demantoid Garnet: Natural Formation Versus Labo...
Learn the gemological differences between natural and synthetic demantoid garnet, including formation, growth methods, and identification challenges.
Demantoid Garnet: Natural Formation Versus Labo...
Learn the gemological differences between natural and synthetic demantoid garnet, including formation, growth methods, and identification challenges.
Chrysoprase Identification Under Treatment: The...
Explore how the aggregate nature of chrysoprase and its nickel-bearing host rocks complicate gemological identification when treatments like dyeing and resin filling are used.
Chrysoprase Identification Under Treatment: The...
Explore how the aggregate nature of chrysoprase and its nickel-bearing host rocks complicate gemological identification when treatments like dyeing and resin filling are used.