
Magnesioleydetite
Magnesioleydetite is a rare hydrated sulfate mineral with the chemical formula magnesium uranyl sulfate undecahydrate. It belongs to the monoclinic crystal system and is part of the sulfate mineral class. The mineral exhibits a vitreous luster and typically appears colorless or pale yellow. It has a relatively low hardness on the Mohs scale and a moderate density. As a hydrated sulfate containing uranium, it is of interest in mineralogical and geochemical studies, particularly in uranium-rich environments.
Composition
- OOxygen49.1%
- UUranium34.8%
- SSulfur9.4%
- MgMagnesium3.6%
- HHydrogen3.2%
Overview
Magnesioleydetite is a rare hydrated sulfate mineral with the chemical formula magnesium uranyl sulfate undecahydrate. It belongs to the monoclinic crystal system and is part of the sulfate mineral class. The mineral exhibits a vitreous luster and typically appears colorless or pale yellow. It has a relatively low hardness on the Mohs scale and a moderate density. As a hydrated sulfate containing uranium, it is of interest in mineralogical and geochemical studies, particularly in uranium-rich environments.
How to recognize it
Magnesioleydetite can be identified by its vitreous luster and pale yellow or colorless appearance. Its low hardness on the Mohs scale and moderate density are key physical properties. A streak test may reveal a pale color, and its hydration state can be noted through its reaction to heat or desiccation. It is easily confused with other hydrated sulfate minerals, but its chemical composition and uranium content help distinguish it.
Trivia
Magnesioleydetite is notable for its complex chemical formula, which includes both magnesium and uranium. It is a rare mineral, with few known occurrences worldwide. Its high water content (11 water molecules per formula unit) makes it one of the more hydrated sulfate minerals, contributing to its unique physical properties and instability in dry environments.