
Gahnite - Wikipedia
Gahnite, ZnAl 2 O 4, is a rare mineral belonging to the spinel group. It forms octahedral crystals which may be green, blue, yellow, brown or grey. It often forms as an alteration product of …
Gahnite: Mineral information, data and localities. - mindat.org
Named in 1807 by Baron Karl Marie Ehrenbert von Moll in honor of Swedish chemist and mineralogist, Johan Gottlieb Gahn [August 19, 1745 Voxna Bruk, Hälsingland, Sweden - …
Gahnite : Properties, Formation, Uses, Locations - Geology Science
May 9, 2024 · Gahnite is a mineral belonging to the spinel group, specifically a zinc aluminum oxide with the chemical formula ZnAl2O4ZnAl_2O_4ZnAl2 O4 . It is typically found in …
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Gahnite ZnAl2O4
Occurrence: An accessory mineral in granites and granite pegmatites; in medium- to high-grade metamorphic rocks and metamorphosed base-metal sulfide deposits; in diasporites, formed by …
Gahnite from Unnamed prospect, Wilkerson Pass Area, Park …
Feb 16, 2025 · BASE-METAL SULFIDE OCCURRENCES, COLORADO: A RE-EVALUATION OF GAHNITE COMPOSITION AS A GUIDE IN EXPLORATION... metamorphosed to the …
Gahnite
Gahnite is a rare zinc-bearing member of the Spinel Group that was named in 1807, but the species has been known prior to its naming. This thumbnail specimen is a rarely seen …
GAHNITE (Zinc Aluminum Oxide) - Amethyst Galleries
Gahnite is one of the rarer members of the Spinel Group of minerals, an important group of oxides. It is named after Swedish chemist L. G. Gahn, who discovered manganese. Gahnite …
Blue Gahnite from Nigeria | Gems & Gemology
May 15, 2019 · The spinels from Kagoro have been identified as gahnite, the zinc end member. Gahnite is one of the rarer members of the spinel group of minerals, typically found at zinc …
Gahnite Mineral Data
Gahnite. Comments: Deep blue octahedral crystals of gahnite in quartz. Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide …
Gahnite | mineral | Britannica
gahnite, the mineral zinc aluminum oxide, a member of the spinel (q.v.) series. This article was most recently revised and updated by Amy Tikkanen.