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Proto-ferro-suenoite (Proto-Ferro-Suenoit)

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Proto-Ferro-Suenoit
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Proto-Ferro-Suenoit

hellbrauner, faseriger Proto-Ferro-Suenoit, Suishoyama, Iizaka, Kawamata, Fukushima, Honshu, Japan; BB 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2021-02-17
Locality: Suishoyama Pegmatit / Iisaka / Kawamata / Fukushima, Präfektur / Tohoku, Region / Honshu / Japan

Collectors Summary

Color bräunlichgelb, seidenweiß
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5.5 - 6
Cleavages vollkommen
Crystal System orthorhombisch, Pnmn

Chemism

Chem­ical formula

(Mn2+,Fe2+)2(Fe2+,Mg)5[OH|Si4O11]2

Chem­ical com­po­si­tion

Eisen, Magnesium, Mangan, Silicium, Sauerstoff, Wasserstoff

Unit weight: 960.81695385 u; Number of atoms in the formula: 41

Info

Empirical formula:

(Mn0.75Fe0.25)2(Fe0.75Mg0.25)5[OHSi4O11]2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.21

2

4.88

1.0079470

2.0158940

Oxygen

O

39.96

24

58.54

15.9994300

383.9863200

Magnesium

Mg

3.16

1.25

3.05

24.3050600

30.3813250

Silicon

Si

23.38

8

19.51

28.0855300

224.6842400

Manganese

Mn

8.58

1.5

3.66

54.9380499

82.4070749

Iron

Fe

24.70

4.25

10.37

55.8452000

237.3421000

Strunz 9th edi­tion incl. updates

8.DE.05

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
E: Mit ausschließlich mittelgroßen [Kationen], (OH, etc.):RO4 = 3:1
05:Senegalit-Gruppe

Lapis Clas­sifica­tion

VIII/F.12-160

VIII: SILIKATE
F: Ketten- und Bandsilikate
12: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Orthorhombische Amphibole

Clas­sifica­tion by Hölzel

9.DF.150

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
F: Amphiboles; Orthorhombic Amphiboles
1: Anthophyllite-Group

Dana 8th edi­tion

66.01.02.03b

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Magnesium-iron-manganese amphiboles  ⇒ Suenoite amphiboles

Optical Properties

Color

bräunlichgelb, seidenweiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Glasglanz

max. Birefrin­gence

0.036

Birefringence chart\! Proto-ferro-suenoite title=Birefringence chart Proto-ferro-suenoite

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

1.695

RI value β

1.714

RI value γ / ε

1.731

Ri mean

1,713

2V angle

Biaxial (-) 76° (gemessen) 86.8 (berechnet)

Ori­enta­tion

X = a, Y = b, Z = c

Pleochro­ism

schwach, Schattierungen von blaßgelb

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

58

Space Group

Pnmn

Cell param­e­ters a (Å)

9.425

Cell param­e­ters b (Å)

18.303

Cell param­e­ters c (Å)

5.345

Cell param­e­ters a/b or c/a

0.515

Cell param­e­ters c/b

0.292

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

922.043

X-Ray Pow­der Diffrac­tion

8.366(90),
4.584(20),
3.701(20),
3.285(50),
3.098(100),
2.881(30),
2.548(60),
2.027(20)

XRD chart Proto-ferro-suenoite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.5 - 6

Density (g/cm³)

3.44 (gemessen) 3.44 (berechnet)

3.461 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen

Preface

Name from

seiner engen Zugehörigkeit zu Anthophyllit

Author (Name, Year)

Sueno S., Matsuura S., Gibbs G.V., Boisen Jr. M.B. (1998)

References

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048

NOMENCLATURE PROPOSAL APPROVED IN MARCH 2013, IMA 13-A, CNMNC Newsletter No. 16, August 2013, page 2708; Mineralogical Magazine, 77, 2695-2709. - [umbenannt in Proto-Ferrosuenoit]

IMA group assignments

Other languages

German

Proto-Ferro-Suenoit

IMA/CNMNC NEWSLETTER 16

English

Proto-ferro-suenoite

old name

German

Proto-Mangano-Ferro-Anthophyllit (2012)

English

Proto-mangano-ferro-anthophyllite (2012)

Spanish

Protomanganoferroantofilita

Russian

Протоманганоферроантофиллит

Japanese

プロトマンガノ鉄直閃石

Alternative Name

German

Proto-Ferrosuenoit

English

Protomangano-ferro-anthophyllite

CNMNC (IMA)-Number

IMA 1986-007

CNMNC symbol

Symbol

Pfsue

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Proto-Ferro-Suenoit
Google-Bilder-Suche - search for: Proto-Ferro-Suenoit
Mineralienatlas.de (Forum) - search for: Proto-Ferro-Suenoit

English pages

Mindat - search for: Proto-ferro-suenoite
Webmineral - search for:Proto-ferro-suenoite
Handbook-of-Mineralogy - search for: Proto-ferro-suenoite
RRUFF - Raman, XRD and other mineral data - search for: Proto-ferro-suenoite
RRUFF - References and PDF downloads - search for: Proto-ferro-suenoite
American-Mineralogist-Crystal-Structure-Database - search for: Proto-ferro-suenoite
Strahlen.org - search for: Proto-ferro-suenoite

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Proto-Ferro-Suenoit
Crystal-Treasure.com - search for: Proto-Ferro-Suenoit
Bosse - search for: Proto-Ferro-Suenoit
Edelsteine Neuburg - Gundolf Fischer - search for: Proto-Ferro-Suenoit