Mineral Information and Data:

Anglesite
PbSO4 [CNMNC approved formula]

Named fot the locality: Island of Anglesey, Wales, Great Brittain.

IMA status : Valid species (Pre-IMA 1832) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
28.03.01.03  
  (28) Anhydrous Acid and Sulfates
  (28.03) (A++) XO4
  (28.03.01) Barite Group
  
Nickel-Strunz
(10th edition) :
07.AD.35
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.A) Sulfates (selenates, etc.) without Additional Anions, without H2O
  (07.AD) With only large cations
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
Unit cell: a = 8.480 Å, b = 5.398 Å, c = 6.958 Å
Crystal Habit: Crystals varied in habit, thin to thick tabular, prismatic or equant; massive, granular, nodular, stalactitic
  
Color: Colorless, white, yellowish, gray, pale green and blue
Diaphaneity: Transparent to translucent
Luster: Adamantine, resinous to vitreous
Hardness (Mohs): 2.5 to 3
Measured Density: 6.38 g/cm3
Cleavage: 3; {001} good, {210} distinct, {010} indistinct
Tenacity: Brittle
Fracture: Conchoidal
Streak: Colorless
  
Geologic Setting: Common in the oxidized zone of lead deposits, where it may constitute an
important ore
Mineral Association: Cerussite, leadhillite, lanarkite, caledonite, linarite, brochantite, malachite,
mimetite, pyromorphite, wulfenite, massicot, gypsum, sulfur, galena
  
Synonyms/varieties: Lead Sulphate, Lead Vitriol
Luminescent Properties: May fluoresce yellow under UV
Other Properties: Gemstone Rare.

 

Anglesite
Crude crystals to 1.3 cm associated with yellow sulfur, which does not show up well in this photo.
Origin: San Luis Potosi, Mexico
Sample size: 4.5 x 3 x 3 cm
Photo: Tom Loomis

 

Anglesite
(zoom-in of above)

 

Anglesite
Origin: Laurium, Greece
Sample size: Microscopic image
Photo and Owner: Lou Perloff

 

Anglesite
Origin: Tintic district, Juab Co., Utah, U.S.A.
Sample size: Microscopic image
Photo and Owner: Lou Perloff

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