Taaffeite
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- Distinction of Taaffeite and Musgravite
- Rockhounds Herald
- Twinning and Epitaxial Growth of Taaffeite-Type Modulated Structures
- INTRODUCTION and COLORS CAUSED by DISPERSED METAL IONS by Emmanuel Fritsch and George R
- Ferrotaaffeite-2N'2s, a New Mineral Species, And
- Journal Vol 31 No1 2 2008 Final.Indd
- Mohs Scale of Mineral Hardness the Mohs Scale Was Devised by Friedrich Mohs in 1812
- Spring 1990 Gems & Gemology Gem News
- Chrysoberyl–Sillimanite Association from the Roncadeira Pegmatite, Borborema Province, Brazil: Implications for Gemstone Exploration
- Volume 22 / No. 8 / 1991
- Gemvine-V2-I01-Jan-2020.Pdf
- Gemmology Bulletin Spring 2021 Gemstones First Discovered As Cut
- Magnetic Susceptibility Index for Gemstones ©2010 Kirk Feral Magnetic Responses Are Standardized to 1/2" X 1/2" N-52 Magnet Cylinders