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Eglestonite with Calomel, Mercury and Cinnabar
Eglestonite with Calomel, Mercury and Cinnabar. Front / Photo: Joaquim Callén
Front / Photo: Joaquim Callén
Eglestonite with Calomel, Mercury and Cinnabar. Detail / Photo: Joaquim Callén
Detail / Photo: Joaquim Callén
Eglestonite with Calomel, Mercury and Cinnabar  

SV2180NFB: A novelty for Spanish mineralogy (see: La extraordinaria paragénesis de minerales de mercurio de Usagre)
A group of Eglestonite crystals -an alteration mineral, product of other mercury minerals-, on matrix, honey-colored and translucent. They completely fill a cavity, in addition to being dispersed in the rest of the piece, and are accompanied by Calomel crystals with an adamantine luster, small drops of Mercury that hold together thanks to their high surface tension and Cinnabar. Both species of mercury halides have been analyzed and we will send a copy of the analysis to the buyer. These minerals are photosensitive, easily blackening in sunlight and even in the light of a lamp, so we recommend keeping them out of the light.
Mariquita mining group, Cerro de las Minas, Usagre, Comarca Campiña Sur, Badajoz, Extremadura  Spain (2015)

Specimen size: 10 × 6.4 × 2.4 cm = 3.94” × 2.52” × 0.94”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”

Very fluorescent long & short UV

With analysis copy



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