Difference between revisions of "Laurionite"

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== Authority ==
 
== Authority ==
  
* Website address 1, Website address 1  Comment: Mindat at http://www.mindat.org/min-2343.html (accessed Nov 19, 2008)
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* Website address 1  Comment: Mindat at http://www.mindat.org/min-2343.html (accessed Nov 19, 2008)
  
* Website address 2, Website address 2  Comment: Web Minerals at http://www.webmineral.com/data/Laurionite.shtml (accessed Nov 19, 2008)
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* Website address 2  Comment: Web Minerals at http://www.webmineral.com/data/Laurionite.shtml (accessed Nov 19, 2008)
  
* Website address 1, Website address 1  Comment: Mindat at http://www.mindat.org/min-2343.html (accessed Nov 19, 2008)  
+
* Website address 1  Comment: Mindat at http://www.mindat.org/min-2343.html (accessed Nov 19, 2008)  
  
 
Hardness=3.0-3.5
 
Hardness=3.0-3.5
  
* Website address 2, Website address 2  Comment: Web Minerals at http://www.webmineral.com/data/Laurionite.shtml (accessed Nov 19, 2008)  
+
* Website address 2  Comment: Web Minerals at http://www.webmineral.com/data/Laurionite.shtml (accessed Nov 19, 2008)  
  
 
Hardness=2.5-3.0
 
Hardness=2.5-3.0
  
* Website address 3, Website address 3  Comment: Mineral Galleries at http://www.galleries.com/minerals/halides/laurioni/laurioni.htm (accessed Nov. 19, 2008)  
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* Website address 3  Comment: Mineral Galleries at http://www.galleries.com/minerals/halides/laurioni/laurioni.htm (accessed Nov. 19, 2008)  
  
 
Hardness=3.0-3.5
 
Hardness=3.0-3.5

Revision as of 07:31, 24 July 2013

Description

A rare halide mineral composed of lead chloride hydroxide. Laurionite crystals occurs as colorless, transparent, striated prisms. They were first identified in ancient lead slags at Laurium, Greece. Deposits are also found in Wheal Rose, England. Laurionite forms when saline containing water comes in contact with lead.

Synonyms and Related Terms

lead chloride hydroxide

FTIR

MFA- Laurionite, Lead chloride hydroxide.jpg


Other Properties

Fine, colorless, orthorhombic, tabular crystals. Fracture= uneven Luster = pearly to adamantine Streak = white

Composition PbClOH
Mohs Hardness 2.5-3.5
Density 6.24
Molecular Weight 259.66
Refractive Index 2.077; 2.116; 2.158

Additional Information

Web Minerals: Laurionite

Authority

Hardness=3.0-3.5

Hardness=2.5-3.0

Hardness=3.0-3.5

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