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Halide

Tocornalite

(Ag,Hg)I
ClassHalide
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Tocornalite specimen

Tocornalite Locality: Dives Mine (Saxon Mine; Padre Kino Mine), Silver District, Trigo Mts, La Paz Co., Arizona, USA Light yellow crust of Tocornalite. Field of view: 5 mm. Depth of field is achieved with CombineZM. Collection and photo: Leon Hupperichs. — Photo: Leon Hupperichs · CC BY-SA 3.0

Tocornalite

A rare silver-mercury iodide described from Chile — a doubtful, discredited 19th-century species.

Intro adapted from Wikipedia (CC BY-SA).

Tocornalite is an IMA-recognized mineral species in the halide class, with the chemical formula (Ag,Hg)I.

Key properties: Yellow streak.

IMA symbol Toc, IMA status: questionable, named in 1867.

Found in a very rich hydrothermal silver deposit.

The name refers to S.F. Tocornal, formerly Rector, Santiago University, Santiago, Chile.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet. Browse more T minerals or help write this entry.