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Piemontite-(Pb)

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Formula:
CaPbAl2Mn3+[Si2O7][SiO4]O(OH)
System:
Monoclinic
This page provides mineralogical data about Piemontite-(Pb).

Classification of Piemontite-(Pb)

Approved 2011
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Type Occurrence of Piemontite-(Pb)

Place of Conservation of Type Material:
Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow,Russia, registration number 4193/1

Crystallography of Piemontite-(Pb)

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 8.938(1) Å, b = 5.6810(6) Å, c = 10.289(1) Å
β = 114.17(1)°
Ratio:
a:b:c = 1.573 : 1 : 1.811
Unit Cell Volume:
V 476.64 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
8.12(68)
4.67(53)
3.518(77)
2.931(100)
2.843(51)
2.736(57)
2.619(66)
2.122(46)

Chemical Properties of Piemontite-(Pb)

Formula:
CaPbAl2Mn3+[Si2O7][SiO4]O(OH)
Essential elements:
All elements listed in formula:

Relationship of Piemontite-(Pb) to other Species

Other Members of Group:
Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Clinozoisite-(Sr){CaSr}{Al3}(Si2O7)(SiO4)O(OH)
Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Epidote-(Pb){CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Epidote-(Sr){CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Hancockite{CaPb}{Al2(Fe3+,Mn3+)}(Si2O7)(SiO4)O(OH)
Manganipiemontite-(Sr){CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)
Mukhinite{Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH)
Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)

Other Names for Piemontite-(Pb)

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Piemontite-(Pb)

Reference List:
Chukanov, N.V., Varlamov, D.A., Nestola, F., Belakovskiy, D., Goettlicher, J.,
Britvin, S., Lanza, A. and Jancev, S. (2012):Piemontite-(Pb), IMA 2011-087. CNMNC Newsletter No. 12, February 2012, page 154; Mineralogical Magazine, 76, 151-155

Internet Links for Piemontite-(Pb)

Localities for Piemontite-(Pb)

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Republic of Macedonia (TL)
 
  • Veles
    • Nežilovo
      • Jakupica Mts
        • Babuna Valley
Chukanov, N.V., Varlamov, D.A., Nestola, F., Belakovskiy, D., Goettlicher, J.,
Mineral and/or Locality  
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