Mineral Information and Data:

Arsenolamprite
As [CNMNC approved formula]

Named from its composition and the Greek for brilliance, in allusion to its luster.

IMA status : Valid species (Pre-IMA 1886) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
01.03.02.01  
  (01) Native Elements
  (01.03) with semi-metallic and non-metallic elements
  (01.03.02)
  
Nickel-Strunz
(10th edition) :
01.CA.10
  (01) Elements
  (01.C) Metalloids and Nonmetals
  (01.CA) Arsenic group elements
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
Unit cell: a = 3.63Å, b = 4.45Å, c = 10.96Å
Crystal Habit: As needles, to 8 mm, foliated, radial aggregates of plates, and massive.
  
Color: Gray-white, altering to a dull black coating
Diaphaneity: Opaque
Luster: Metallic, brilliant
Hardness (Mohs): 2
Measured Density: 5.3 – 5.5 g/cm3
Cleavage: Perfect, in one direction.
Streak: Black
  
Geologic Setting: As plates and veinlets in carbonate rocks (Cerny Dul mine, Czech Republic); in calcite veins (Mackenheim, Germany).
Mineral Association: Arsenic, bismuth, silver, sternbergite, emplectite, safflorite, l¨ollingite, pyrite, galena, orpiment, realgar, calcite
  

<<< BACK TO MINERAL SEARCH