Difference between revisions of "Libethenite"

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[[File:Libethenite R050147 Sample Photo 19444 M.jpg|thumb|Libethenite <br> Image credit: [https://rruff.info/libethenite/display=default/R050147 RRUFF]]]
 
== Description ==
 
== Description ==
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[[File:Libethenite Raman RRUFF R050147.png|thumb|Raman spectrum of libethenite<br> Image credit: [https://rruff.info/libethenite/display=default/R050147 RRUFF]]]
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A rare copper phosphate hydroxide mineral (Cu2(PO4)(OH)). Libethenite was identified as a corrosion product on German bronzes that were in a burial environment adjacent to bones.
  
A copper phosphate mineral. Libethenite was identified as a corrosion product on German bronzes that were in a burial environment adjacent to bones.
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==Physical and Chemical Properties==
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* Description = light to dark green slender crystals
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* Fracture = irregular
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* Luster = resinous, waxy
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* Streak = light green
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* Hardness = 4
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* Density = 3.97 g/ml
  
{| class="wikitable"
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==Resources and Citations==
|-
 
! scope="row"| Composition
 
| Cu2(PO4)(OH)
 
|}
 
  
== Additional Information ==
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* W.von Geilmann, K.Meisel "Rontgenographische Untersuchungens Methoden in der Vorgeshichtsforschung: Libethenite, ein Mineral der Patinabidung" Nachrichtenblatt fur Deutsche Vorzeit 18:208-212, 1942.
  
W.von Geilmann, K.Meisel "Rontgenographische Untersuchungens Methoden in der Vorgeshichtsforschung: Libethenite, ein Mineral der Patinabidung" Nachrichtenblatt fur Deutsche Vorzeit 18:208-212, 1942.
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* M.Fabrizi,H.Ganiaris,S.Tarling, D.Scott, 'The Occurrence of Sampleite, a Complex Copper Phosphate, as a Corrosion Product on Copper Alloy Objects from Memphis, Egypt', ''Studies in Conservation'', 34, 45-51, 1989. (Note: [[sampleite]] is a different kind of copper phosphate)
  
== Authority ==
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* Wikipedia: [https://en.wikipedia.org/wiki/Libethenite Libethenite] Accessed Dec 2022
 
 
* M.Fabrizi,H.Ganiaris,S.Tarling, D.Scott, 'The Occurrence of Sampleite, a Complex Copper Phosphate, as a Corrosion Product on Copper Alloy Objects from Memphis, Egypt', ''Studies in Conservation'', 34, 45-51, 1989
 
  
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* Mindat: [https://www.mindat.org/min-2394.html Libethenite]
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 11:17, 7 December 2022

Libethenite
Image credit: RRUFF

Description

Raman spectrum of libethenite
Image credit: RRUFF

A rare copper phosphate hydroxide mineral (Cu2(PO4)(OH)). Libethenite was identified as a corrosion product on German bronzes that were in a burial environment adjacent to bones.

Physical and Chemical Properties

  • Description = light to dark green slender crystals
  • Fracture = irregular
  • Luster = resinous, waxy
  • Streak = light green
  • Hardness = 4
  • Density = 3.97 g/ml

Resources and Citations

  • W.von Geilmann, K.Meisel "Rontgenographische Untersuchungens Methoden in der Vorgeshichtsforschung: Libethenite, ein Mineral der Patinabidung" Nachrichtenblatt fur Deutsche Vorzeit 18:208-212, 1942.
  • M.Fabrizi,H.Ganiaris,S.Tarling, D.Scott, 'The Occurrence of Sampleite, a Complex Copper Phosphate, as a Corrosion Product on Copper Alloy Objects from Memphis, Egypt', Studies in Conservation, 34, 45-51, 1989. (Note: Sampleite is a different kind of copper phosphate)