Mineral Information and Data:

Abhurite
Sn2+21Cl16(OH)14O6 [CNMNC approved formula]

Named for its locality: Sharm Abhur, a cove in the Red Sea, Saudi Arabia.

IMA status : Approved Species 1983 (IMA1983-061)
CLASSIFICATION 
Dana
(8th edition) :
10.05.09.01  
  (10) Oxyhalides and Hydroxyhalides
  (10.05) where Am (O,OH)p Xq
  (10.05.09)
  
Nickel-Strunz
(10th edition) :
03.DA.30
  (03) Halides
  (03.D) Oxyhalides, Hydroxyhalides and Related Double Halides
  (03.DA) With Cu, etc., without Pb
  
Crystal system: Trigonal System
Point group (H-M): 32 — trapezoidal
Unit cell: a = 10.017 Å, c = 44.014 Å
Crystal Habit: Platy, hexagonal, twinned to 1.5 mm, in cryptocrystalline crusts
Twinning: On {0001}
  
Color: Colorless
Diaphaneity: Transparent
Luster: Opalescent
Hardness (Mohs): 2
Measured Density: 4.42 g/cm3
Tenacity: Fragile
Fracture: Hackly
Streak: White
  
Geologic Setting: In blisterlike protuberances on the surface of a tin ingot recovered from a ship wrecked possibly 100 years ago.
Mineral Association: Romarchite, kutnohorite, aragonite
  

 

Abhurite
Origin: SS Cheerful wreck site, St Ives District, Cornwall, England, UK
Sample size: 4.8 x 3.0 x 1.7 cm
Photo: Tom Loomis

 

Abhurite
(zoom-in of above)

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