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Spessartine (Spessartin)

Pictures (469 Images total)

Spessartin
Views (File:
1326878585
): 6354, Rating: 9.75
Spessartin
Größe: 11,47 mm; Fundort: Wushan Spessartin Mine, Tongbei, Provinz Fujian, China
Copyright: Matteo Chinellato; Contribution: Hg
Location: China/Fujian, Provinz/Zhangzhou, Präfektur/Yunxiao, Kreis/Tongbei (Wushan)
Mineral: Spessartine
Encyclopedia: Deltoidalikositetraeder (Ikositetraeder)
Image: 1326878585
Rating: 9.75 (votes: 16)
License: Usage for Mineralienatlas project only
Spessartin

Größe: 11,47 mm; Fundort: Wushan Spessartin Mine, Tongbei, Provinz Fujian, China

Copyright: Matteo Chinellato
Contribution: Hg 2012-01-18
Locality: Tongbei (Wushan) / Yunxiao, Kreis / Zhangzhou, Präfektur / Fujian, Provinz / China
Spessartin
Views (File:
1411545764
): 7932, Rating: 9.88
Spessartin
Größe: 7,6 mm; Fundort: Wushan Spessartin Mine, Tongbei, Provinz Fujian, China
Copyright: Matteo Chinellato; Contribution: Hg
Location: China/Fujian, Provinz/Zhangzhou, Präfektur/Yunxiao, Kreis/Tongbei (Wushan)
Mineral: Spessartine
Encyclopedia: Deltoidalikositetraeder (Ikositetraeder)
Image: 1411545764
Rating: 9.88 (votes: 16)
License: Usage for Mineralienatlas project only
Spessartin

Größe: 7,6 mm; Fundort: Wushan Spessartin Mine, Tongbei, Provinz Fujian, China

Copyright: Matteo Chinellato
Contribution: Hg 2014-09-24
Locality: Tongbei (Wushan) / Yunxiao, Kreis / Zhangzhou, Präfektur / Fujian, Provinz / China
Spessartin
Views (File:
1287334414
): 10980, Rating: 9.73
Spessartin
Größe: 1,84 mm; Fundort: East Grant Ridge, Cibola Co., New Mexico, USA
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: USA/New Mexico/Cibola Co./Grants District/Grants/East Grant Ridge
Mineral: Spessartine
Image: 1287334414
Rating: 9.73 (votes: 11)
License: Usage for Mineralienatlas project only
Spessartin

Größe: 1,84 mm; Fundort: East Grant Ridge, Cibola Co., New Mexico, USA

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-10-17
Locality: East Grant Ridge / Grants / Grants District / Cibola Co. / New Mexico / USA
Spessartin
Views (File:
1411460921
): 4821, Rating: 9.82
Spessartin
Größe: 7,2 mm; Fundort: Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan
Copyright: Matteo Chinellato; Contribution: Hg
Location: Pakistan/Gilgit-Baltistan (Nordgebiete; Northern Areas)/Skardu, Distrikt/Nanga Parbat-Haramosh-Berge
Mineral: Spessartine
Image: 1411460921
Rating: 9.82 (votes: 11)
License: Usage for Mineralienatlas project only
Spessartin

Größe: 7,2 mm; Fundort: Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan

Copyright: Matteo Chinellato
Contribution: Hg 2014-09-23
Locality: Nanga Parbat-Haramosh-Berge / Skardu, Distrikt / Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan
Spessartin auf Muskovit
Views (File:
1516217153
): 1353, Rating: 9.8
Spessartin auf Muskovit
Glasklarer Spessartinkristall mit 8 mm auf Muskovit
Copyright: Andreas Schmid; Contribution: Andreas Schmid
Location: Pakistan/Gilgit-Baltistan (Nordgebiete; Northern Areas)/Diamir, Distrikt/Chilas
Mineral: Spessartine
Image: 1516217153
Rating: 9.8 (votes: 10)
License: Usage for Mineralienatlas project only
Spessartin auf Muskovit

Glasklarer Spessartinkristall mit 8 mm auf Muskovit

Copyright: Andreas Schmid
Contribution: Andreas Schmid 2018-01-17
Locality: Chilas / Diamir, Distrikt / Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan
Spessartin
Views (File:
1425388447
): 2401, Rating: 9.78
Spessartin
Bildbreite: 6 mm, Fundort: Wushan Spessartin Mine, Tongbei, Provinz Fujian, China
Copyright: Frédéric Hède (Gluon); Contribution: Hg
Location: China/Fujian, Provinz/Zhangzhou, Präfektur/Yunxiao, Kreis/Tongbei (Wushan)
Mineral: Spessartine
Image: 1425388447
Rating: 9.78 (votes: 9)
License: Usage for Mineralienatlas project only
Spessartin

Bildbreite: 6 mm, Fundort: Wushan Spessartin Mine, Tongbei, Provinz Fujian, China

Copyright: Frédéric Hède (Gluon)
Contribution: Hg 2015-03-03
Locality: Tongbei (Wushan) / Yunxiao, Kreis / Zhangzhou, Präfektur / Fujian, Provinz / China

You find additional specimen at the Geolitho Museum

Collectors Summary

Color rot, rötlich orange, gelblichbraun, rötlichbraun, braun
Streak color weiß
Hardness (Mohs) 6.5 - 7.5
Solubility + HF, - Säuren
Crystal System kubisch, Ia3d

Additional information / Summary

Siehe auch Mineralienportrait: Granat - Spessartin

Chemism

Chemical formula

{Mn2+3}[Al2](Si3)O12

Chemical composition

Aluminium, Mangan, Silicium, Sauerstoff

Unit weight: 495.0269761 u; Number of atoms in the formula: 20

Info

Empirical formula:

{Mn3}[Al2](Si3)O12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

38.78

12

60.00

15.9994300

191.9931600

Aluminium

Al

10.90

2

10.00

26.9815382

53.9630764

Silicon

Si

17.02

3

15.00

28.0855300

84.2565900

Manganese

Mn

33.29

3

15.00

54.9380499

164.8141497

Analysis wt%

SiO2 : 35.04, Al2O3 : 21.63, FeO : 1.86, MnO : 39.83, CaO : 1.78 (Ref: American Mineralogist 32)

Strunz 9th edition incl. updates

9.AD.25

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
D: Insel(Neso)silikate ohne weitere Anionen; Kationen in oktahedraler [6] und gewöhnlich größerer Koordination
25:Granat-Gruppe

Lapis Classification

VIII/A.08-030

VIII: SILIKATE
A: Inselsilikate mit [SiO4] 4--Baugruppen
8: Kationen in kubischer und oktaedrischer Koordination [8+6]; Granat-Gruppe

Classification by Hölzel

9.AC.120

9: SILICATES
A: Nesosilicates
C: Garnet-Group
1: Pyralspites - 8-coord. Mg, Fe(2+), Mn(2+); Pyrope - Spessartine-Group

Dana 8th edition

51.04.03a.03

51: Nesosilicate Minerals
04: Nesosilicates Nesosilicate Insular SiO4 Groups Only with cations in [6] and >[6] coordination
03a: Garnet group (Pyralspite series)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Garnet supergroup  ⇒ Silicate garnets; Garnet group (Z charge 12)

Optical Properties

Color

rot, rötlich orange, gelblichbraun, rötlichbraun, braun

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

RI value α / ω / n

1.800

Ri mean

1.800

2V angle

Isotropisch

Optical Data Luminescence

Color LW-UV (365nm)

 

orangerot

Most Common Activator

Cr3+

Other Activators

Mn4+

Afterglow (Persistant Luminescence)

Mit bloßem Auge konnte keine Phosphoreszenz festgestellt werden.

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell parameters a (Å)

11.61

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

1564.936

X-Ray Powder Diffraction

2.91(20),
2.60(100),
2.37(10),
2.13(10),
1.886(20),
1.681(20),
1.614(30),
1.557(40)

XRD chart Spessartine

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)

6.5 - 7.5

VHN (Hardness Vickers)

1450 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.18

4.202 ( ρ calc. Mineralienatlas )

Instability

+ HF, - Säuren

Preface

Name from

dem Spessart

Author (Name, Year)

Beudant, 1832

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 746.

Grew, E.S., Locock, A.J., Mills, S.J., Galuskina, I.O., Galuskin, E.V., Halenius, U., 2012; Nomenclature of the garnet supergroup. American Mineralogist; preprint December 2012 - [Formel].

IMA group assignments

Other languages

Dutch

Spessartien

German

Spessartin

Spanish

Spessartina

French

Spessartine

English

Spessartine

Russian

Спессартин

Simplified Chinese

锰铝榴石

Alternative Name

Erinite (of van der Lingen)

German

Johnstonotit

Spanish

Johnstonotita

English

Johnstonotite

Mandarin Garnet

Partschinite

Spessartine Garnet

Italian

Spessartita

CNMNC symbol

Symbol

Sps

Locations with GPS information

IDs

GUSID (Global unique identifier short form) d4YMO-NIRUaD5dsgI53ZMQ
GUID (Global unique identifier) 3B0C8677-48E3-4645-83E5-DB20239DD931
Database ID 3585