File:Orpiment-148270.jpg · Wikimedia Commons · See Wikimedia Commons
زرنیخ
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Orpiment, also known as yellow arsenic blende, is a deep-colored, orange-yellow arsenic sulfide mineral with formula . It is found in volcanic fumaroles, low-temperature hydrothermal veins, and hot springs and may be formed through sublimation.
Key facts
- Mineral.name
- Orpiment
- Mineral.category
- Sulfide mineral
- Mineral.image
- Orpiment-148270.jpg
- Mineral.caption
- Orpiment crystal from Twin Creeks Mine, Potosi District, Humboldt County, Nevada, United States (Size: 3.3 cm × 2.1 cm × 2.1 cm)
- Mineral.formula
- As2S3
- Mineral.IMAsymbol
- Orp
- Mineral.strunz
- 2.FA.30
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/n
- Mineral.unit cell
- a = 11.475(5), b = 9.577(4) c = 4.256(2) [Å], β = 90.45(5)°; Z = 4
- Mineral.color
- Lemon-yellow to golden or brownish yellow
- Mineral.habit
- Commonly in foliated columnar or fibrous aggregates; may be reniform or botryoidal; also granular or powdery; rarely as prismatic crystals
- Mineral.twinning
- On {100}
- Mineral.cleavage
- Perfect on {010}, imperfect on {100};
- Mineral.tenacity
- Sectile
- Mineral.mohs
- 1.5–2
- Mineral.luster
- Resinous, pearly on cleavage surface
via Wikipedia infobox
Wikidata facts
- Has part
- arsenic trisulfide
- Named after
- pigment
- Image
- Mineraly.sk - auripigment.jpg
Show 7 more facts
- crystal system
- monoclinic crystal system
- Commons category
- Orpiment
- chemical formula
- As₂S₃
- Nickel-Strunz 9th edition (updated 2009)
- 2.FA.30
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 2.FA.30
- IMA Mineral Symbol
- Orp
- Strunz 8th edition (series ID, updated)
- II/D.08 – Anhang
Sources (1)
via Wikidata · CC0