Ronald B. Gibbs
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View article: Edwindavisite, Cu(C<sub>2</sub>O<sub>4</sub>)(NH<sub>3</sub>), a new oxalate mineral, from the Rowley mine, Maricopa County, Arizona, USA
Edwindavisite, Cu(C<sub>2</sub>O<sub>4</sub>)(NH<sub>3</sub>), a new oxalate mineral, from the Rowley mine, Maricopa County, Arizona, USA Open
View article: Mikenewite, the natural analogue of synthetic α-Mn<sup>2+</sup>(S<sup>4+</sup>O<sub>3</sub>)⋅3H<sub>2</sub>O, a new sulfite mineral from the Ojuela mine, Mapimí, Mexico
Mikenewite, the natural analogue of synthetic α-Mn<sup>2+</sup>(S<sup>4+</sup>O<sub>3</sub>)⋅3H<sub>2</sub>O, a new sulfite mineral from the Ojuela mine, Mapimí, Mexico Open
A new mineral species, mikenewite (IMA2022-102), ideally Mn 2+ (S 4+ O 3 )⋅3H 2 O, has been discovered from the San Judas Chimney, Ojuela mine, Mapimí, Durango, Mexico. It occurs as spheres of platy crystals. Associated minerals include go…
View article: Bernardevansite, Al<sub>2</sub>(Se<sup>4+</sup>O<sub>3</sub>)<sub>3</sub>⋅6H<sub>2</sub>O, dimorphous with alfredopetrovite and the Al-analogue of mandarinoite, from the El Dragón mine, Potosí, Bolivia
Bernardevansite, Al<sub>2</sub>(Se<sup>4+</sup>O<sub>3</sub>)<sub>3</sub>⋅6H<sub>2</sub>O, dimorphous with alfredopetrovite and the Al-analogue of mandarinoite, from the El Dragón mine, Potosí, Bolivia Open
A new mineral species, bernardevansite (IMA2022-057), ideally Al 2 (Se 4+ O 3 ) 3 ⋅6H 2 O, has been discovered from the El Dragón mine, Potosí Department, Bolivia. It occurs as aggregates or spheres of radiating bladed crystals on a matrix…
View article: Franksousaite, PbCu(Se<sup>6+</sup>O<sub>4</sub>)(OH)<sub>2</sub>, the Se<sup>6+</sup> analogue of linarite, a new mineral from the El Dragón mine, Potosí, Bolivia
Franksousaite, PbCu(Se<sup>6+</sup>O<sub>4</sub>)(OH)<sub>2</sub>, the Se<sup>6+</sup> analogue of linarite, a new mineral from the El Dragón mine, Potosí, Bolivia Open
A new mineral species, franksousaite (IMA2021-096), ideally PbCu(Se 6+ O 4 )(OH) 2 , has been found from the El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia. It occurs as short prismatic crystals included in colourles…
View article: New data on hemihedrite from Arizona
New data on hemihedrite from Arizona Open
Hemihedrite from the Florence Lead-Silver mine in Pinal County, Arizona, USA was first described and assigned the ideal chemical formula Pb 10 Zn(CrO 4 ) 6 (SiO 4 ) 2 F 2 , based upon a variety of chemical and crystal-structure analyses. T…