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Beusite (IMA 1968-012)

Pictures (3 Images total)

Beusit
Views (File:
1300971365
): 2244
Beusit
Rotbraune Beusitkristalle bis 2 mm Länge von der Schlackenhalde Genna, Lethmate, Sauerland, Nordrhein-Westfalen, Deutschland.
Copyright: raritätenjäger; Contribution: raritätenjäger
Collection: raritätenjäger
Location: Deutschland/Nordrhein-Westfalen/Arnsberg, Bezirk/Märkischer Kreis/Iserlohn/Letmathe/Genna Zinkhütte
Mineral: Beusite
Image: 1300971365
License: Usage for Mineralienatlas project only
Beusit

Rotbraune Beusitkristalle bis 2 mm Länge von der Schlackenhalde Genna, Lethmate, Sauerland, Nordrhein-Westfalen, Deutschland.
Collection: raritätenjäger
Copyright: raritätenjäger
Contribution: raritätenjäger 2011-03-24
Locality: Genna Zinkhütte / Letmathe / Iserlohn / Märkischer Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland
Qingheiit neben Beusit
Views (File:
1585233795
): 474
Qingheiit neben Beusit
grünliche Aggregate von Qingheiit neben braunem Beusit, Santa Ana Pegmatit, Coronel Pringles, San Luis, Argentinien; BB < 5 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Argentinien/San Luis, Provinz/Coronel Pringles, Departamento/Totoral Pegmatit Feld/Santa Ana Pegmatit
Mineral: Beusite, Qingheiite
Image: 1585233795
License: Usage for Mineralienatlas project only
Qingheiit neben Beusit

grünliche Aggregate von Qingheiit neben braunem Beusit, Santa Ana Pegmatit, Coronel Pringles, San Luis, Argentinien; BB < 5 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-26
Locality: Santa Ana Pegmatit / Totoral Pegmatit Feld / Coronel Pringles, Departamento / San Luis, Provinz / Argentinien
Beusit/ Sarkopsid
Views (File:
1638534306
): 273
Beusit/ Sarkopsid
Pochermühle, Buchenau, Zwiesel, Regen, Niederbayern, Bayern. BB:6,5cm
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Deutschland/Bayern/Niederbayern, Bezirk/Regen, Landkreis/Lindberg/Pochermühle/Steinbruch Pochermühle
Mineral: Beusite, Sarcopside
Image: 1638534306
License: Usage for Mineralienatlas project only
Beusit/ Sarkopsid  D

Pochermühle, Buchenau, Zwiesel, Regen, Niederbayern, Bayern. BB:6,5cm
Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2021-12-03
Locality: Steinbruch Pochermühle / Pochermühle / Lindberg / Regen, Landkreis / Niederbayern, Bezirk / Bayern / Deutschland

Collectors Summary

Color rötlichbraun
Streak color blassrosa
Hardness (Mohs) 5
Solubility +++ Säuren
Crystal System monoklin, P21/c

Chemism

Chemical formula

Mn2+Mn2+2(PO4)2

Chemical composition

Mangan, Phosphor, Sauerstoff

Unit weight: 354.7571121 u; Number of atoms in the formula: 13

Info

Empirical formula:

MnMn2(PO4)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

36.08

8

61.54

15.9994300

127.9954400
Phosphorus

P

17.46

2

15.38

30.9737612

61.9475224
Manganese

Mn

46.46

3

23.08

54.9380499

164.8141497

Analysis wt%

CaO : 4.64, MgO : 2.56, FeO : 14.20, MnO : 35.50, P2O5 : 40.20, H2O : 0.97, SiO2 : 1.50, H2O : 0.97 (Ref: American Mineralogist 68)

Strunz 9th edition incl. updates

8.AB.20

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
B: Mit mittelgroßen [Kationen]
20:Graftonit-Gruppe

Lapis Classification

VII/A.04-030

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen
4: Mittelgroße Kationen: Fe-Mn vorwiegend

Classification by Hölzel

8.AB.310

8: PHOSPHATES ARSENATES VANADATES
A: Phosphates (-anions -water)
B: Phosphates, C medium Triphylite-Group
3: Graftonite-Sarcopside-Group

Dana 8th edition

38.03.03.02

38: Anhydrous Phosphates, etc
03: Anhydrous Phosphates, etc (A+ B++)3 (XO4)2

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Graftonite group

Optical Properties

Color

rötlichbraun

Streak color

blassrosa

max. Birefringence

0.020
Birefringence chart\! Beusite title=Birefringence chart Beusite

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

1.702

RI value β

1.703

RI value γ / ε

1.722

Ri mean

1.709

2V angle

Biaxial (+) 25°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

8.78

Cell parameters b (Å)

11.52

Cell parameters c (Å)

6.15

Cell parameters a/b or c/a

0.762

Cell parameters c/b

0.534

Cell parameters α

90°

Cell parameters β

99.42

Cell parameters γ

90°

Z

4

Volume (ų)

613.657

X-Ray Powder Diffraction

3.49(100),
3.13(40),
3.01(30),
2.89(30),
2.863(100),
2.708(60),
2.402(30),
1.926(40)
XRD chart Beusite

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)

3.702 (gemessen)

3.84 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Argentinien/San Luis, Provinz/Coronel Pringles, Departamento/Los Aleros

Preface

Author (Name, Year)

Hurlbut & Aristarain, 1968

References

American Mineralogist 53 (1968), 1799

Kimberly T. Tait, Frank C. Hawthorne, Michael A. Wise: The crystal chemistry of the graftonite-beusite minerals. Can Mineral Vol. 51, No. 4 (2013) S. 653-662.

Neudefinition -IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 36; Mineralogical Magazine, April 2017, Vol. 81(2), pp. 403–409 [Neue Formel]

IMA group assignments

Other languages

German

Beusit

Spanish

Beusita

French

Beusite

English

Beusite

Russian

Беусит

Simplified Chinese

磷铁锰矿

CNMNC (IMA)-Number

IMA 1968-012

CNMNC symbol

Symbol

Beu

Locations with GPS information

IDs

GUSID (Global unique identifier short form) dEdJAkhaFkeRNjTHAYHPmA
GUID (Global unique identifier) 02494774-5A48-4716-9136-34C70181CF98
Database ID 385