$1,550Median
56Sold (12 mo)
$4,850Last sale
Fettelite on Proustite (structure co-type)
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Best of species crystals for fettelite! Fettelite is an extremely rare silver-mercury-arsenic sulfide (sulfosalt) and is found at only four total worldwide localities. These pieces represent those from which the crystal structure was determined by Frank Keutsch and others as published in the American Mineralogist in 2009 and these two pieces are from his personal collection. This is a display specimen with rich crystals of scarlet to wine-red crystals of fettelite to 2mm on bright metallic proustite and as granular, wine-red aggregates in proustite. Comes with Keutsch label noting that this specimen was in the same lot used to determine the structure type.
Product details
SpeciesProustite
SizeMiniature
Dimensions5.0 x 2.9 x 2.9 cm
Listed on10/23/2024
LocalityChile, Atacama, Chañarcillo Mining District
SKUMIX18-57
Current owner
A
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Mineral guide
Learn about Proustite
ruby-silver trigonal prisms with deep crimson color and gemmy glow; photosensitive, prized for backlit cherry-red interiors and hydrothermal deposit…Regional guide
Proustite from Chañarcillo Mining District
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