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Orpiment Reference Libraries

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Orpiment
2005-05-26 08:34:39

Orpiment is a common monoclinic crystalline mineral - Chemical Composition: As2S3, arsenic trisulfide - Molecular Weight: 246.04 gm - Hardness: 1.5-2 - Optical refractive index: Biaxial (-), a=2.4, b=2.81, g=3.02 Orpiment is a mineral that is found world-wide, and occurs as a sublimation product in volcanic fumaroles, low temperature hydrothermal veins, hot springs and as a...

Word of the Day
pudic
  • Easily ashamed, having a strong sense of shame; modest; chaste.
  • Of or pertaining to the external organs of generation.
The word 'pudic' comes from French pudique, from Latin pudīcus, from pudet ("it shames"). (Wiktionary)
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