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Palenzonaite

Pictures (7 Images total)

Palenzonait
Views (File:
1451122269
): 674
Palenzonait
Verzerrte rhombendodekaedrische dunkelrotbraune Kristalle, BB = 2,3 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien.
Copyright: Manfred Früchtl; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A001887, Donator: Melanie Albert
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Palenzonaite
Image: 1451122269
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Palenzonait (SNr: A001887)

Verzerrte rhombendodekaedrische dunkelrotbraune Kristalle, BB = 2,3 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien.
Collection: Lithothek der Münchener Micromounter
Copyright: Manfred Früchtl
Contribution: Münchener Micromounter 2015-12-26
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Palenzonait
Views (File:
1580311441
): 287
Palenzonait
Molinello Mine Val Graveglia; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Palenzonaite
Image: 1580311441
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Palenzonait

Molinello Mine Val Graveglia; Bildbreite 2,3 mm
Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-01-29
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Palenzonait
Views (File:
1285411372
): 767
Palenzonait
Kristallgröße: 0,9 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Enrico Bonacina; Contribution: thdun5
Collection: Domenico Preite
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Palenzonaite
Image: 1285411372
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Palenzonait

Kristallgröße: 0,9 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Collection: Domenico Preite
Copyright: Enrico Bonacina
Contribution: thdun5 2010-09-25
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Palenzonait aus der Mine Gambatesa
Views (File:
1395173314
): 596
Palenzonait aus der Mine Gambatesa
Mineralien: Palenzonait (rötlich eingewachsene Aggregate); Fundort: Gambatesa Mine, Reppia, Graveglia Tal, Italien; Bestimmung: optisch Bestimmt WF; Bildbreite: 2,4 mm
Copyright: Florian; Contribution: Florian
Collection: Florian, Collection number: 765
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Gambatesa
Mineral: Palenzonaite
Image: 1395173314
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Palenzonait aus der Mine Gambatesa (SNr: 765)

Mineralien: Palenzonait (rötlich eingewachsene Aggregate); Fundort: Gambatesa Mine, Reppia, Graveglia Tal, Italien; Bestimmung: optisch Bestimmt WF; Bildbreite: 2,4 mm
Collection: Florian
Copyright: Florian
Contribution: Florian 2014-03-18
Locality: Miniera Gambatesa / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Palenzonait
Views (File:
1580311559
): 279
Palenzonait
Molinello Mine Val Graveglia; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Palenzonaite
Image: 1580311559
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Palenzonait

Molinello Mine Val Graveglia; Bildbreite 2,3 mm
Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-01-29
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color Wine rot
Streak color bräunlich rot
Hardness (Mohs) 5.25
Solubility +++ Säuren
Crystal System kubisch, Ia3d

Chemism

Chemical formula

{Ca2Na}[Mn2+2](V5+3)O12

Chemical composition

Calcium, Mangan, Natrium, Sauerstoff, Vanadium

Unit weight: 557.84036 u; Number of atoms in the formula: 20

Info

Empirical formula:

{Ca2Na}[Mn2](V3)O12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

34.42

12

60.00

15.9994300

191.9931600
Sodium

Na

4.12

1

5.00

22.9897702

22.9897702
Calcium

Ca

14.37

2

10.00

40.0784000

80.1568000
Vanadium

V

27.40

3

15.00

50.9415100

152.8245300
Manganese

Mn

19.70

2

10.00

54.9380499

109.8760998

Analysis wt%

CaO : 23.70, Na2O : 3.40, MnO : 25.19, V2O5 : 39.34, As2O5 : 5.14, SiO2 : 3.32 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 87)

Strunz 9th edition incl. updates

8.AC.25

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen [Kationen]
25:Berzeliit-Gruppe

Lapis Classification

VII/A.08-050

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen
8: Mittelgroße und große Kationen: Mg-Mn-Fe-Cu-Zn und Ca-Na

Classification by Hölzel

8.AC.170

8: PHOSPHATES ARSENATES VANADATES
A: Phosphates (-anions -water)
C: Phosphates, C medium + large
1: Berzeliite-Group

Dana 8th edition

38.02.01.03

38: Anhydrous Phosphates, etc
02: Anhydrous Phosphates, etc (A+ B++)5 (XO4)3
01: Berzeliite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Garnet supergroup  ⇒ Vanadate, arsenate garnets; Berzeliite group (Z charge 15)

Optical Properties

Color

Wine rot

Streak color

bräunlich rot

Diaphaneity (Transparency)

transparent bis durchscheinend

RI value α / ω / n

1.965

Ri mean

1.965

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell parameters a (Å)

12.534

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

1969.106

Crystal structure

M. Nagashima, T. Armbruster, Allan Pring: Palenzonaite, berzeliite, and manganberzeliite: (As5+,V5+,Si4+)O4 tetrahedra in garnet structures. Mineral Mag Vol. 76, Nr. 5 (2012) S. 1081-1097.

X-Ray Powder Diffraction

5.12(10),
3.132(50),
2.803(100),
2.673(20),
2.558(60),
2.458(10),
1.738(20),
1.675(40)
XRD chart Palenzonaite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.25

VHN (Hardness Vickers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.63

3.763 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello

Preface

Author (Name, Year)

Basso, 1987

References

Neues Jahrbuch für Mineralogie, Monatshefte (1987), 136.

Grew, E.S., Locock, A.J., Mills, S.J., Galuskina, I.O., Galuskin, E.V., Halenius, U., 2012; Nomenclature of the garnet supergroup. American Mineralogist; preprint December 2012 - [Formel]

IMA group assignments

 
Garnet supergroup
{X3}[Y2](Z3)φ12
 
 

 
 
Vanadate, arsenate garnets; Berzeliite group (Z charge 15)
 
 
 

 
 
 
Berzeliite
{NaCa2}[Mg2](As3)O12
kubisch
Ia3d

 
 
 
Manganberzeliite
{Ca2Na}[Mn2+2](As5+3)O12
kubisch
Ia3d

 
 
 
Palenzonaite
{Ca2Na}[Mn2+2](V5+3)O12
kubisch
Ia3d

 
 
 
Schäferite
{Ca2Na}[Mg2](V5+3)O12
kubisch
Ia3d

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Actuality: 17. Apr 2025 - 10:30:48

Other languages

German

Palenzonait

English

Palenzonaite

French

Palenzonaite

Spanish

Palenzonaíta

Russian

Паленцонаит

Traditional Chinese

釩鈣錳石

Simplified Chinese

钒钙锰石

CNMNC (IMA)-Number

IMA 1986-011

CNMNC symbol

Symbol

Plz

Locations with GPS information

IDs

GUSID (Global unique identifier short form) KmHFHEudwkCBFUL_3APxDQ
GUID (Global unique identifier) 1CC5612A-9D4B-40C2-8115-42FFDC03F10D
Database ID 2890