Mineralape
Yoderite
Dave Dyet http://www.shutterstone.com http://www.dyet.com·Public domain·Wikimedia

Yoderite

(MgAl3)(MgAl)Al2O2(SiO4)4(OH)2
Monoclinic IMA approved

Yoderite is a rare mineral with the chemical formula (MgAl3)(MgAl)Al2O2(SiO4)4(OH)2, composed primarily of magnesium, aluminum, oxygen, silicon, and hydroxide. It belongs to the monoclinic crystal system and is classified in the Strunz system as 9.AF.25 and in the Dana system as 52.2.2b.3. This mineral is a complex silicate with a relatively high hardness and a moderate density. It exhibits a vitreous luster and is typically found in a range of colors, including greenish or brownish hues. Yoderite is part of the nesosilicate mineral group, which includes minerals with isolated silica tetrahedra in their structures.

Composition

Composizione (% in peso)
O
Al
Si
Mg
  • OOxygen49.6%
  • AlAluminium25.1%
  • SiSilicon17.4%
  • MgMagnesium7.5%
  • HHydrogen0.3%

Overview

Yoderite is a rare mineral with the chemical formula (MgAl3)(MgAl)Al2O2(SiO4)4(OH)2, composed primarily of magnesium, aluminum, oxygen, silicon, and hydroxide. It belongs to the monoclinic crystal system and is classified in the Strunz system as 9.AF.25 and in the Dana system as 52.2.2b.3. This mineral is a complex silicate with a relatively high hardness and a moderate density. It exhibits a vitreous luster and is typically found in a range of colors, including greenish or brownish hues. Yoderite is part of the nesosilicate mineral group, which includes minerals with isolated silica tetrahedra in their structures.

Etymology

Yoderite is named after Hatten Yoder, a geologist who contributed to the study of mineralogy. The mineral was officially recognized by the International Mineralogical Association (IMA) and approved for its classification.

How to recognize it

Yoderite can be identified through its monoclinic crystal system and its chemical composition. It has a vitreous luster and is typically greenish or brownish in color. The mineral's hardness is not explicitly stated, but its density and streak can be used for identification. Due to its rarity, it is often confused with other complex silicates, but its unique chemical formula and crystal structure help distinguish it.

Trivia

Yoderite is notable for its complex chemical formula, which includes multiple magnesium and aluminum atoms. It is a rare mineral, which makes it of interest to collectors and researchers. Additionally, its classification in the nesosilicate group highlights its structural uniqueness among silicate minerals.

Frequently asked questions

Yoderite is considered a rare mineral, typically found in limited localities, and is not commonly encountered in the gem or mineral market.