• Pocket Mindat

• Return to Index: A
• Return to Main Index

Arsenic

• 
  Akadani mine (Akatani mine), Fukui City, Fukui Prefecture, Chubu Region, Honshu Island, Japan
  © 2008, JGW

• Formula:
  As

• System: Trigonal

• Name:
  From the Greek αρσενικόν ("arsenikon"), "masculine", alluding to its potent properties

• IMA Status: Valid (Grandfathered)

• Dana 8th: 1.3.1.1
  
  1 : NATIVE ELEMENTS AND ALLOYS
  3 : Semi-metals and non-metals

• Hardness (Mohs): 3½

• Density: 5.63 g/cm³ to 5.78 g/cm³ (measured)
  5.778 g/cm³ (calculated)

• Lustre: Metallic,Dull

• Diapheny: Opaque

• Diapheny: brittle

• Colour: Tin-white, tarnishing to dark grey or black.

• Streak: Grey