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Ilesite

Pictures (1 Images total)

Ilesit (gelblich) auf Apjohnit (weiß)
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Ilesit (gelblich) auf Apjohnit (weiß)
Santa Ana,Mazarron/Murcia,Spanien; Größe ca. 4 x 2,7 cm
Copyright: Haubi; Contribution: Haubi
Collection: Haubi
Location: Spanien/Murcia/Mazarrón/Mazarrón, Bergbaurevier
Mineral: Apjohnite, Ilesite
Image: 1506439183
License: Usage for Mineralienatlas project only
Ilesit (gelblich) auf Apjohnit (weiß)

Santa Ana,Mazarron/Murcia,Spanien; Größe ca. 4 x 2,7 cm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2017-09-26
Locality: Mazarrón, Bergbaurevier / Mazarrón / Murcia / Spanien

Collectors Summary

Color grünlichweiß
Streak color weiß
Solubility +++ H2O
Crystal System monoklin, P21/n

Chemism

Chemical formula

(Mn,Zn,Fe2+)SO4·4H2O

Chemical composition

Eisen, Mangan, Zink, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 226.29468594 u; Number of atoms in the formula: 18

Info

Empirical formula:

(Mn0.6Zn0.3Fe0.1)SO4·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.56

8

44.44

1.0079470

8.0635760

Oxygen

O

56.56

8

44.44

15.9994300

127.9954400

Sulfur

S

14.17

1

5.56

32.0655000

32.0655000

Manganese

Mn

14.57

0.6

3.33

54.9380499

32.9628299

Iron

Fe

2.47

0.1

0.56

55.8452000

5.5845200

Zinc

Zn

8.67

0.3

1.67

65.4094000

19.6228200

Analysis wt%

MnO : 22.31, ZnO : 5.97, FeO : 4.18, SO3 : 36.07, H2O : 31.60 (Ref: Dana, 7th ed. 2)

Strunz 9th edition incl. updates

7.CB.15

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
B: Mit ausschließlich mittelgroßen Kationen
15:Starkeyit-Gruppe

Lapis Classification

VI/C.03-030

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
3: Mittelgroße Kationen; Rozenit-Reihe

Classification by Hölzel

7.CB.160

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
B: Vitriol-Group, Mg,Fe,Co,Ni,Mn,Cu,Zn-Sulfates with 4 to 7 Water
1: Starkeyite-Group

Dana 8th edition

29.06.06.03

29: Hydrated Acid and Sulfates
06: Hydrated Acid and Sulfates where A XO4 · x(H2O)
06: Rozenite Group (Monoclinic)

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

grünlichweiß

Streak color

weiß

max. Birefringence

0.010

Birefringence chart\! Ilesite title=Birefringence chart Ilesite

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

1.511

RI value β

1.519

RI value γ / ε

1.521

Ri mean

1.517

2V angle

Biaxial (-) 50°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

5.94

Cell parameters b (Å)

13.76

Cell parameters c (Å)

8.01

Cell parameters a/b or c/a

0.432

Cell parameters c/b

0.582

Cell parameters α

90°

Cell parameters β

90.80

Cell parameters γ

90°

Z

4

Volume (ų)

654.629

X-Ray Powder Diffraction

4.99(40),
3.52(100),
3.36(20),
3.16(50),
2.60(50),
2.25(20),
1.72(20),
1.487(10)

XRD chart Ilesite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.261 (gemessen)

2.296 ( ρ calc. Mineralienatlas )

Instability

+++ H2O

Preface

Author (Name, Year)

Wünsch, 1881

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 320

Other languages

German

Ilesit

Spanish

Ilesita

French

Ilesite

English

Ilesite

Russian

Илезит

CNMNC symbol

Symbol

Ile

Locations with GPS information

IDs

GUSID (Global unique identifier short form) lQOG-sOwaUe56BzCKYq0QA
GUID (Global unique identifier) FA860395-B0C3-4769-B9E8-1CC2298AB440
Database ID 1697