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Adelite (Adelīts)

Pictures (2 Images total)

Adelit
Views (File:
1296329002
): 8300
Adelit
Bildbreite: 4 mm, Fundort: Mercur Mine, Mercur District, Oquirrh Mts, Tooele Co., Utah, USA
Copyright: Luigi Chiappino; Contribution: thdun5
Location: USA/Utah/Tooele Co./Oquirrh Mts./Mercur District/Mercur Mine
Mineral: Adelite
Image: 1296329002
License: Usage for Mineralienatlas project only
Adelit

Bildbreite: 4 mm, Fundort: Mercur Mine, Mercur District, Oquirrh Mts, Tooele Co., Utah, USA

Copyright: Luigi Chiappino
Contribution: thdun5 2011-01-29
Locality: Mercur Mine / Mercur District / Oquirrh Mts. / Tooele Co. / Utah / USA
Adelit
Views (File:
1401870830
): 1994
Adelit
Lichtbräunlicher Adelit. Fundort: Jakobsberg, Filipstad, Schweden. Bildbreite: 2 mm.
Copyright: Ulrich Baumgärtl; Contribution: raritätenjäger
Collection: Ulrich Baumgärtl
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Nordmark (Nordmarksberg)/Jakobsberg
Mineral: Adelite
Image: 1401870830
License: Usage for Mineralienatlas project only
Adelit

Lichtbräunlicher Adelit. Fundort: Jakobsberg, Filipstad, Schweden. Bildbreite: 2 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: raritätenjäger 2014-06-04
Locality: Jakobsberg / Nordmark (Nordmarksberg) / Filipstad, Gemeinde / Värmland, Provinz / Schweden

Collectors Summary

Color blaugrau, grün, grau, gelb, hellgrün
Streak color weiß
Hardness (Mohs) 5
Solubility +++ HNO3, ++ verdünnte Säuren
Crystal System orthorhombisch, P212121

Chemism

Chemical formula

CaMg(AsO4)(OH)

Chemical composition

Arsen, Calcium, Magnesium, Sauerstoff, Wasserstoff

Unit weight: 220.310159 u; Number of atoms in the formula: 9

Info

Empirical formula:

CaMg(AsO4)(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.46

1

11.11

1.0079470

1.0079470

Oxygen

O

36.31

5

55.56

15.9994300

79.9971500

Magnesium

Mg

11.03

1

11.11

24.3050600

24.3050600

Calcium

Ca

18.19

1

11.11

40.0784000

40.0784000

Arsenic

As

34.01

1

11.11

74.9216020

74.9216020

Analysis wt%

CaO : 25.43, MgO : 17.05, MnO : 1.64, As2O5 : 50.04, H2O : 4.25 (Ref: Dana, 7th ed. 2)

Strunz 9th edition incl. updates

8.BH.35

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
H: Mit mittelgroßen und meist großen [Kationen] (OH, etc.):RO4 = 1:1
35:Adelit-Gruppe

Lapis Classification

VII/B.26-010

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

Classification by Hölzel

8.BL.200

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
L: Phosphates, very large: 2, Vmed: 2
2: Orthorhombic Adelite-Group

Dana 8th edition

41.05.01.01

41: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
05: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen where (A B)2 (XO4) Zq
01: Adelite Group

IMA status

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

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Adelite-Descloizite group

Optical Properties

Color

blaugrau, grün, grau, gelb, hellgrün

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.019

Birefringence chart\! Adelite title=Birefringence chart Adelite

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

1.712

RI value β

1.721

RI value γ / ε

1.731

Ri mean

1.721

2V angle

Biaxial (+) 80°!

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

orthorhombisch

Class (H-M)

222

Space Group number

19

Space Group

P212121

Cell parameters a (Å)

5.850

Cell parameters b (Å)

8.895

Cell parameters c (Å)

7.525

Cell parameters a/b or c/a

0.658

Cell parameters c/b

0.846

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

391.569

X-Ray Powder Diffraction

4.96(60),
4.13(70),
3.16(100),
2.98(60),
2.78(60),
2.59(70),
2.33(70),
1.609(70)

XRD chart Adelite

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)

3.73 - 3.79 / Durchschnittlich = 3.76

3.737 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3, ++ verdünnte Säuren

Preface

Author (Name, Year)

Sjögren, 1891

References

Handbook of Mineralogy (Anthony et al.), 4 (2000), 3

Geologiska Föreningen i Stockholm Förhandlingar 13 (1891), 781

Experimental Mineralogy, Petrology and Geochemistry Meeting (2002), 30 (abstr.)

IMA group assignments

Other languages

German

Adelit

Spanish

Adelita

English

Adelite

French

Adelite

Latvian

Adelīts

Russian

Аделит

CNMNC symbol

Symbol

Ade

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ihcir1g-s02sFrEWZNMpvA
GUID (Global unique identifier) AF22178A-3E58-4DB3-AC16-B11664D329BC
Database ID 12