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Crandallite

Pictures (59 Images total)

radialnadeliger weißer Crandallit in Quarz
Views (File:
1594884025
): 669
radialnadeliger weißer Crandallit in Quarz
Ungarn/Heves, Komitat/Pétervására, Kreis/Parádfürdö/Sándor-rét, BB = 12,5 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A004683, Donator: Manfred Seitz
Location: Ungarn/Heves, Komitat/Pétervására, Kreis/Parádfürdö/Sándor-rét
Mineral: Crandallite
Image: 1594884025
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
radialnadeliger weißer Crandallit in Quarz (SNr: A004683)

Ungarn/Heves, Komitat/Pétervására, Kreis/Parádfürdö/Sándor-rét, BB = 12,5 mm
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2020-07-16
Locality: Sándor-rét / Parádfürdö / Pétervására, Kreis / Heves, Komitat / Ungarn
Crandallit xx
Views (File:
1340099284
): 3743, Rating: 8.43
Crandallit xx
Crandallit xx Bildbreite etwa 2 mm Fundort: Grube Rotläufchen, Waldgirmes, Hessen, Deutschland
Copyright: J. Mandler (derhesse); Contribution: derhesse
Collection: Privatsammlung
Location: Deutschland/Hessen/Gießen, Bezirk/Lahn-Dill-Kreis/Lahnau/Waldgirmes/Grube Rotläufchen
Mineral: Crandallite
Image: 1340099284
Rating: 8.43 (votes: 7)
License: Usage for Mineralienatlas project only
Crandallit xx

Crandallit xx Bildbreite etwa 2 mm Fundort: Grube Rotläufchen, Waldgirmes, Hessen, Deutschland
Collection: Privatsammlung
Copyright: J. Mandler (derhesse)
Contribution: derhesse 2012-06-19
Locality: Grube Rotläufchen / Waldgirmes / Lahnau / Lahn-Dill-Kreis / Gießen, Bezirk / Hessen / Deutschland
Crandallit
Views (File:
1218821945
): 3344, Rating: 7.75
Crandallit
Bildbreite: 3 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Crandallite
Image: 1218821945
Rating: 7.75 (votes: 4)
License: Usage for Mineralienatlas project only
Crandallit

Bildbreite: 3 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland
Copyright: Stephan Wolfsried
Contribution: Hg 2008-08-15
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Crandallit
Views (File:
1397409048
): 982
Crandallit
Langtafelige farblose Kristalle, BB = 6,1 mm; Fundort: Baturovskii quarry, Svetlyi, Ural, Russland.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A017856, Donator: Traute und Hannes Osterhammer
Location: Russland/Ural, Föderationskreis/Tscheljabinsk, Oblast/Plastovsky, Distrikt/Svetlyi/Baturovskii
Mineral: Crandallite
Image: 1397409048
Rating: 8.33 (votes: 3)
License: Usage for Mineralienatlas project only
Crandallit (SNr: A017856)

Langtafelige farblose Kristalle, BB = 6,1 mm; Fundort: Baturovskii quarry, Svetlyi, Ural, Russland.
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-04-13
Locality: Baturovskii / Svetlyi / Plastovsky, Distrikt / Tscheljabinsk, Oblast / Ural, Föderationskreis / Russland
Crandallit
Views (File:
1260651528
): 1100
Crandallit
Größe: 32x24 mm; Fundort: Moculta Phosphate Quarry, South Mt Lofty Ranges, South Australia, Australien
Copyright: John Sobolewski; Contribution: slugslayer
Location: Australien/South Australia/Mt. Lofty Ranges/South Mt Lofty Ranges/Barossa Valley/Angaston/Moculta Phosphate Quarry (Klemm's Quarry)
Mineral: Crandallite
Image: 1260651528
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Crandallit

Größe: 32x24 mm; Fundort: Moculta Phosphate Quarry, South Mt Lofty Ranges, South Australia, Australien
Copyright: John Sobolewski
Contribution: slugslayer 2009-12-12
Locality: Moculta Phosphate Quarry (Klemm's Quarry) / Angaston / Barossa Valley / South Mt Lofty Ranges / Mt. Lofty Ranges / South Australia / Australien
Crandallit psm. nach Fluellit
Views (File:
1135350803
): 1251
Crandallit psm. nach Fluellit
Größe: 87x40x17 mm; Fundort: Cantera Azkarate, Eugui, Navarra, Spanien
Copyright: Fabre Minerals; Contribution: slugslayer
Location: Spanien/Navarra (Navarre; Nafarroa)/Esteribar/Eugui (Eugi)/Azcárate (Cantera Azkárate)
Mineral: Crandallite
Encyclopedia: Pseudomorphose
Image: 1135350803
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Crandallit psm. nach Fluellit

Größe: 87x40x17 mm; Fundort: Cantera Azkarate, Eugui, Navarra, Spanien
Copyright: Fabre Minerals
Contribution: slugslayer 2005-12-23
Locality: Azcárate (Cantera Azkárate) / Eugui (Eugi) / Esteribar / Navarra (Navarre; Nafarroa) / Spanien

You find additional Crandallite specimen at the Geolitho Museum

Collectors Summary

Color gelblichweiß, grau, orangebraun
Streak color weiß
Hardness (Mohs) 5
Solubility + Säuren, Königswasser
Crystal System trigonal, R3m

Chemism

Chemical formula

CaAl3(PO4)(PO3OH)(OH)6

Chemical composition

Aluminium, Calcium, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 414.018186 u; Number of atoms in the formula: 27

Info

Empirical formula:

CaAl3(PO4)(PO3OH)(OH)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.70

7

25.93

1.0079470

7.0556290
Oxygen

O

54.10

14

51.85

15.9994300

223.9920200
Aluminium

Al

19.55

3

11.11

26.9815382

80.9446146
Phosphorus

P

14.96

2

7.41

30.9737612

61.9475224
Calcium

Ca

9.68

1

3.70

40.0784000

40.0784000

Strunz 9th edition incl. updates

8.BL.10

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
L: Mit mittelgroßen und großen [Kationen] (OH, etc.):RO4 = 3:1
10:Crandallit-Gruppe

Lapis Classification

VII/B.36-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
36: Mittelgroße und große Kationen: Mg-Cu-Zn und Ca-Na-K-Ba-Pb; Crandallit-Gruppe

Classification by Hölzel

8.BK.100

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
K: Phosphatian (+AsO4) Alunites, trigonal, very large: 1,2,3,4, Vmed: 3
1: With Ca,Sr,Ba Goyazite-Crandallite-Group

Dana 8th edition

42.07.03.01

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
07: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (AB)5 (XO4)3 Zq · x(H2O)
03: Crandallite Group

IMA status

Neudefinition von der CNMNC anerkannt; Scott (1987)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Alunite supergroup  ⇒ Plumbogummite group with -1c

Optical Properties

Color

gelblichweiß, grau, orangebraun

Streak color

weiß

max. Birefringence

0.013
Birefringence chart\! Crandallite title=Birefringence chart Crandallite

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

1.602

RI value β

1.608

RI value γ / ε

1.615

Ri mean

1.608

2V angle

Biaxial (+) 73°

Optical Data Luminescence

Color LW-UV (365nm)

  

bläulich weiß

Color SW-UV (254nm)

  

bläulich weiß

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell parameters a (Å)

7.05

Cell parameters b (Å)

-

Cell parameters c (Å)

16.192

Cell parameters a/b or c/a

2.297

Cell parameters c/b

-

Z

3

Volumne (ų)

696.962

X-Ray Powder Diffraction

5.70(40),
4.869(20),
3.511(50),
2.984(40),
2.945(100),
2.209(20),
2.168(30),
1.897(30)
XRD chart Crandallite

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

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.8 (gemessen) 2.997 (berechnet)

2.959 ( ρ calc. Mineralienatlas )

Instability

+ Säuren, Königswasser

(Co-)Type locality

(Co-)Type locality

USA/Utah/Juab Co./Tintic District/Silver City/Brooklyn Mine

Preface

Author (Name, Year)

Kosmann, 1869

References

American Mineralogist 57 (1972), 473.

American Mineralogist 59 (1974).

American Mineralogist 65 (1980), 953.

American Mineralogist 72 (1987), 178.

Canadian Mineralogist 37 (1999), 1323.

Handbook of Mineralogy (Anthony et al.), 4 (2000), 130.

European Journal of Mineralogy 12 (2000),1229.

Journal of Mineralogical and Petrological Sciences 96 (2001), 67.

Mineralogical Magazine 68 (2004), 489.

Neues Jahrbuch für Mineralogie, Monatshefte (2004), 385.

IMA group assignments

Other languages

German

Crandallit

Spanish

Crandallita

English

Crandallite

French

Crandallite

Russian

Крандаллит

Traditional Chinese

纖磷鈣鋁石

Simplified Chinese

纤磷钙铝石

Alternative Name

English

Calcio-wavellite

German

Kalkwavellit

Italian

Lehiita

Lehiite

Lime-wavellite

Pseudowavellite

CNMNC symbol

Symbol

Cdl

Locations with GPS information