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Pottsite (Pottsit)

Pictures (4 Images total)

Pottsit
Views (File:
1473361553
): 856
Pottsit
Fundort: Steinbruch Ernst, Grub bei Rinchnach, Bayerischer Wald; Bildbreite 0,25 mm; Bestimmung EDX; Nikon CF 50x0.55 ELWD
Copyright: Josef 84,55; Contribution: Josef 84,55
Collection: Josef 84,55
Location: Deutschland/Bayern/Niederbayern, Bezirk/Regen, Landkreis/Rinchnach/Grub/Steinbrüche Ernst & Kubischek
Mineral: Pottsite
Image: 1473361553
Rating: 7.67 (votes: 3)
License: Usage for Mineralienatlas project only
Pottsit  E
Analysed with energy dispersive X-ray spectroscopy EDX

Fundort: Steinbruch Ernst, Grub bei Rinchnach, Bayerischer Wald; Bildbreite 0,25 mm; Bestimmung EDX; Nikon CF 50x0.55 ELWD

Collection: Josef 84,55
Copyright: Josef 84,55
Contribution: Josef 84,55 2016-09-08
Locality: Steinbrüche Ernst & Kubischek / Grub / Rinchnach / Regen, Landkreis / Niederbayern, Bezirk / Bayern / Deutschland
Pottsit
Views (File:
1271613233
): 1103
Pottsit
Größe: 4,6 x 3,8 x 1,6 cm, Fundort: Linka Mine, Spencer Hot Springs, Lander Co., Nevada, USA.
Copyright: Rob Lavinsky; Contribution: thdun5
Location: USA/Nevada/Lander Co./Spencer Hot Springs District/Linka Mine
Mineral: Pottsite
Image: 1271613233
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Pottsit

Größe: 4,6 x 3,8 x 1,6 cm, Fundort: Linka Mine, Spencer Hot Springs, Lander Co., Nevada, USA.

Copyright: Rob Lavinsky
Contribution: thdun5 2010-04-18
Locality: Linka Mine / Spencer Hot Springs District / Lander Co. / Nevada / USA
Pottsit
Views (File:
1271613169
): 1033
Pottsit
Bildbreite: 2 mm, Fundort: Linka Mine, Spencer Hot Springs, Lander Co., Nevada, USA.
Copyright: Luigi Chiappino; Contribution: thdun5
Location: USA/Nevada/Lander Co./Spencer Hot Springs District/Linka Mine
Mineral: Pottsite
Image: 1271613169
Rating: 4 (votes: 2)
License: Usage for Mineralienatlas project only
Pottsit

Bildbreite: 2 mm, Fundort: Linka Mine, Spencer Hot Springs, Lander Co., Nevada, USA.

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-18
Locality: Linka Mine / Spencer Hot Springs District / Lander Co. / Nevada / USA
Pottsit
Views (File:
1644178438
): 68
Pottsit
Größe: 52x32x23 mm; Fundort: ⚒ Linka, Spencer Hot Springs, Lander Co., Nevada, US
Copyright: proetho; Contribution: slugslayer
Location: USA/Nevada/Lander Co./Spencer Hot Springs District/Linka Mine
Mineral: Pottsite
Image: 1644178438
License: Usage for Mineralienatlas project only
Pottsit

Größe: 52x32x23 mm; Fundort: ⚒ Linka, Spencer Hot Springs, Lander Co., Nevada, US

Copyright: proetho
Contribution: slugslayer 2022-02-06
Locality: Linka Mine / Spencer Hot Springs District / Lander Co. / Nevada / USA

Collectors Summary

Color hellgelb
Streak color blassgelb
Hardness (Mohs) 3.5
Cleavages nicht beobachtet
Solubility +++ HNO3, + kalte verdünnte HCl, - kalte KOH
Crystal System Tetragonal, I41/a
Morphology Bipyramiden oder kurze stummelartige Prismen.

Chemism

Chemical formula

PbBiH(VO4)2·2H2O

Chemical composition

Bismut, Blei, Sauerstoff, Vanadium, Wasserstoff

Unit weight: 683.107437 u; Number of atoms in the formula: 19

Info

Empirical formula:

PbBiH(VO4)2·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.74

5

26.32

1.0079470

5.0397350

Oxygen

O

23.42

10

52.63

15.9994300

159.9943000

Vanadium

V

14.91

2

10.53

50.9415100

101.8830200

Lead

Pb

30.33

1

5.26

207.2100000

207.2100000

Bismuth

Bi

30.59

1

5.26

208.9803820

208.9803820

Analysis wt%

PbO : 32.40, Bi2O3 : 34.00, V2O5 : 26.60, H2O : 6.71 (Ref: Mineralogical Magazine 88)

Strunz 9th edition incl. updates

8.CG.25

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
G: Mit großen und mittelgroßen Kationen, RO4:H2O = 1:1
25:Pottsit-Gruppe

Lapis Classification

VII/C.32-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
C: Wasserhaltige Phosphate, ohne fremde Anionen
32: Mittelgroße und große Kationen: Fe-Mn-Zn-Mg und Ca-(NH4) 1+

Classification by Hölzel

8.CF.500

8: PHOSPHATES ARSENATES VANADATES
C: Phosphates (-Anions +Water)
F: Phosphates, C large, V: 1 to 4
5: Valency: 1,2,3 Pottsite-Group

Dana 8th edition

40.01.04.01

40: Hydrated Phosphates, etc
01: Hydrated Phosphates, etc where A++ B++ (XO4) · x(H2O)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellgelb

Streak color

blassgelb

max. Birefringence

0.12

Birefringence chart\! Pottsite title=Birefringence chart Pottsite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

ω = 2.37

RI value γ / ε

ε = 2.49

Ri mean

2.410

2V angle

Uniaxial (-)

Crystallography

Crystal System

Tetragonal

Class (H-M)

4/m

Space Group number

88

Space Group

I41/a

Cell parameters a (Å)

11.0839

Cell parameters b (Å)

-

Cell parameters c (Å)

12.6516

Cell parameters a/b or c/a

1.141

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

10

Volumne (ų)

1554.285

X-Ray Powder Diffraction

4.618(90),
4.168(30),
3.210(40),
3.062(100),
2.476(40),
2.252(30),
2.184(30),
1.952(30)

XRD chart Pottsite

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

Morphology

Bipyramiden oder kurze stummelartige Prismen.

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

7.31 (berechnet) 7.0 (gemessen)

7.298 ( ρ calc. Mineralienatlas )

Cleavages

nicht beobachtet

Tenacity

spröde

Instability

+++ HNO3, + kalte verdünnte HCl, - kalte KOH

Preface

Author (Name, Year)

Williams, 1988

References

Mineralogical Magazine 52 (1988), 389

Siidra, O., Kovrugin, V.M., Zaitsev, A.N., Turner, R., Shilovskikh, V., Spratt, J., Agakhanov, A.A. - The crystal structure and composition of pottsite, (Pb3xBi4-2x)(VO4)4·H2O, 0.8 < x < 1.0. European Journal of Mineralogy 28 (2016) 137-145.

Other languages

German

Pottsit

Spanish

Pottsita

English

Pottsite

French

Pottsite

Traditional Chinese

水釩鉍鉛礦

Simplified Chinese

水钒铋铅矿

CNMNC (IMA)-Number

IMA 1986-045

CNMNC symbol

Symbol

Pot

Locations with GPS information