Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Orpiment (arsenic sulphide) forms soft, heavy, fragile crystals with a greasy lustre. It fuses easily, giving off arsenic fumes with a strong garlic smell that conceal fumes of sulphur dioxide. The mineral is deposited by hot springs but is also found around fumaroles, metamorphic dolomites and in low-temperature hydrothermal veins associated with realgar and native arsenic. Orpiment is used to remove hair in the tanning of hides and as a source of arsenic. In the 19th century it was used by artists as a pigment. This sample is from Arizona, USA.

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Keywords: american, arizona, arsenic sulfide, arsenic sulphide, chemical, chemistry, compound, crystal, crystalline, crystals, geological, geology, mineral, mineralogy, no-one, nobody, north america, north american, ore, orpiment, pigment, poison, poisonous, rotating, sample, specimen, studio shot, toxic, toxin, united states, usa, white background

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Orpiment

K004/4375 Rights Managed

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Duration: 00:00:19.07

Frame size: 1920x1080

Frame rate: 25

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Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 512.9M

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Codec: H.264

Interlaced: Yes

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