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Schorl

Pictures (513 Images total)

Schörl
Views (Image: 1467461540): 15798
Schörl (SNr: FuBa-Schörl-1-1-2)

Bildbreite etwa 9 mm; prismatische Schörl-Kristalle aus dem Furkabasis-Tunnel, Wallis, Schweiz.

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2016-07-02
Locality: Furka-Basistunnel (Westabschnitt) / Oberwald / Obergoms / Goms, Bezirk / Wallis, Kanton / Schweiz
Schorl
Views (Image: 1513062261): 3774
Schorl

Aesthetic schorl specimen, from Erongo Mountain, Erongo Region, Namibia; Size 107 х 90 х 80 mm

Copyright: pegmatite
Contribution: pegmatite 2017-12-12
Locality: Erongo, Region / Namibia
Schorl
Views (Image: 1596698676): 299
Schorl

Perfect quality, finished all around, schorl specimen, from Ambatosoratra pegmatite, Ambatosoratra Commune, Ambatondrazaka District, Alaotra-Mangoro Region, Toamasina Province, Madagascar; Dimensio...

Copyright: pegmatite
Contribution: pegmatite 2020-08-06
Locality: Ambatosoratra-Pegmatit / Ambatosoratra / Ambatondrazaka, Distrikt / Alaotra-Mangoro, Region / Madagaskar
Schorl
Views (Image: 1596438935): 871
Schorl

Perfect quality, finished all around, schorl specimen, from Ambatosoratra pegmatite, Ambatosoratra Commune, Ambatondrazaka District, Alaotra-Mangoro Region, Toamasina Province, Madagascar; Dimensio...

Copyright: pegmatite
Contribution: pegmatite 2020-08-03
Locality: Ambatosoratra-Pegmatit / Ambatosoratra / Ambatondrazaka, Distrikt / Alaotra-Mangoro, Region / Madagaskar
Schörl mit Spessartin
Views (Image: 1216884105): 6959, Rating: 9.25
Schörl mit Spessartin

Bildbreite: 2,5 cm; Fundort: Gang Rosina, San Piero in Campo, Campo nell'Elba, Insel Elba, Livorno, Toskana (Toscana), Italien

Copyright: Matteo Chinellato
Contribution: Hg 2008-07-24
Locality: Gang Rosina (Filone Rosina) / San Piero in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien
Schörl auf Feldspat
Views (Image: 1339326547): 2218, Rating: 8.8
Schörl auf Feldspat

Gut ausgebildeter, freistehender Schörlkristall von 11 mm Länge auf Feldspat. Aus dem Erongo-Gebirge in der gleichnamigen Region in Namibia.

Collection: Tobi
Copyright: Tobi
Contribution: Tobi 2012-06-10
Locality: Erongo, Region / Namibia

Collectors Summary

Color schwarz, im Dünnschliff farbige Muster, schwarzbraun, schwarzblau, schwarzgrün
Streak color grauweiß bis blauweiß
Lustre Glasglanz
Hardness (Mohs) 7
Solubility + HF, - Säuren
Crystal System trigonal, R3m

Additional information / Summary

Als Schörl wird der auf den ersten Blick "schwarze" Turmalin bezeichnet.

Chemism

Chem­ical formula

NaFe2+3Al6(BO3)3Si6O18(OH)4

Chem­ical com­po­si­tion

Aluminium, Eisen, Natrium, Silicium, Bor, Sauerstoff, Wasserstoff

Unit weight: 1053.3769974 u; Number of atoms in the formula: 54

Info

Empirical formula:

NaFe3Al6(BO3)3Si6O18(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.38

4

7.41

1.0079470

4.0317880

Boron

B

3.08

3

5.56

10.8117000

32.4351000

Oxygen

O

47.08

31

57.41

15.9994300

495.9823300

Sodium

Na

2.18

1

1.85

22.9897702

22.9897702

Aluminium

Al

15.37

6

11.11

26.9815382

161.8892292

Silicon

Si

16.00

6

11.11

28.0855300

168.5131800

Iron

Fe

15.90

3

5.56

55.8452000

167.5356000

Anal­y­sis wt%

SiO2 : 33.78, TiO2 : 0.41, B2O3 : 10.70, Al2O3 : 33.80, FeO : 15.11, MgO : 0.74, Na2O : 1.92, F : 0.98, H2O : 2.41 (Ref: Rock Forming Minerals 86)

Strunz 9th edi­tion incl. updates

9.CK.05

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
K: ~[Si6O18]12- sechser-Einfachringe, mit inselartig, komplexe [Anionen]
05:

Lapis Clas­sifica­tion

VIII/E.19-050

VIII: SILIKATE
E: Ringsilikate
19: Sechserringe [Si6O18] 12-; Turmalin-Gruppe

Clas­sifica­tion by Hölzel

9.CE.210

9: SILICATES
C: Cyclosilicates
E: Tourmaline-Group
2: Alkali Tourmalines with V3 W = (OH)3 F or O3 F or (OH)3 O

Dana 8th edi­tion

61.03e.01.10

61: Cyclosilicates Cyclosilicate Six-Membered Rings
03e: Cyclosilicates Cyclosilicate Six-Membered Rings with borate groups (Sodic Tourmaline Subgroup)
01: Schorl Subgroup

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Tourmaline supergroup  ⇒ Alkali-Tourmaline group  ⇒ Tourmaline Alkali-subgroup 1

Optical Properties

Color

schwarz, im Dünnschliff farbige Muster, schwarzbraun, schwarzblau, schwarzgrün

Streak color

grauweiß bis blauweiß

Diaphane­ity (Trans­parency)

im Dünnschliff transparent

Lus­tre

Glasglanz

max. Birefrin­gence

0.026

Birefringence chart\! Schorl title=Birefringence chart Schorl

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

1.668

RI value γ / ε

1.642

Ri mean

1.659

2V angle

Uniaxial (-)

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell param­e­ters a (Å)

15.980

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

7.150

Cell param­e­ters a/b or c/a

0.447

Cell param­e­ters c/b

-

Z

3

Volumne (ų)

1581.212

X-Ray Pow­der Diffrac­tion

6.36(20),
4.22(40),
3.99(60),
3.462(40),
2.952(40),
2.581(100),
2.041(30),
1.920(20)

XRD chart Schorl

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)

7

VHN (Hard­ness Vick­ers)

1300 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.18-3.22

3.318 ( ρ calc. Mineralienatlas )

Radioac­tiv­ity

fehlt

Insta­bil­ity

+ HF, - Säuren

(Co-)Type locality

(Co-)Type locality

Deutschland/Sachsen/Erzgebirgskreis/Schneeberg/Zschorlau

Preface

Occurrences

Pegmatite

Asso­cia­tions

Albit, Quarz, Beryll (Aquamarin), Orthoklas

Rare­ness

häufig

Name from

Nach A. Ertl, Über die Etymologie und die Typlokalitäten des Minerals Schörl. Mitteilungen der Österreichischen Mineralogischen Gesellschaft 152 (2006) 7-16, abgeleitet von der Ortschaft Schorl, auch Schorlau, heute Zschorlau. Nach IMA-CNMNC daher Schorl

Author (Name, Year)

Matthesius, 1524

Addi­tional Informa­tion

enthält oft Mn, Mg, Ca, Li, Cr, Ti, F, K

References

Canadian Mineralogist 13 (1975), 173-177.

American Mineralogist 74 (1989), 422-431.

Powder Diffraction 5 (1990), 213.

Neues Jahrbuch für Mineralogie, Abhandlungen 165 (1993), 245.

European Journal of Mineralogy 11 (1999), 217.

American Mineralogist 84 (1999), 922.

Mineralogy and Petrology 75 (2002), 69.

European Journal of Mineralogy 16 (2004), 335-344.

American Mineralogist 90 (2005), 1784.

Ertl, A. Über die Etymologie und die Typlokalitäten des Minerals Schörl. Mitteilungen der Österreichischen Mineralogischen Gesellschaft (2006) 152, 7–16 Min Abs. [06M/3855].

Ferdinando Bosi, Giovanni B. Andreozzi, Ulf Hålenius AND Henrik Skogby - Experimental evidence for partial Fe2+ disorder at the Y and Z sites of tourmaline: a combined EMP, SREF, MS, IR and OAS study of schorl - Mineralogical Magazine, June 2015, Vol. 79(3), pp. 515–528

http://tw.strahlen.org/typloc/schoerl.html

Detailed description

BILD:1076779985

Turmalin im im Querschnitt

Bei der Prüfung willkürlicher Schörl-Kristalle kam heraus, dass alle Schörle im Schnitt oder erst im Dünnschliff (1/10 bis 1/50 mm) farbig werden und symmetrische Muster zeigen. Man könnte sagen, dass es schwarzen Turmalin nicht gibt.

siehe > Turmalin

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Uvite

CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)

trigonal : 3m : R3m

9.CK.05

Bosiite

NaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Dravite

NaMg3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

9.CK.05

Elbaite

Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

9.CK.05

Foitite

Na0.5(Fe2+,Al,Mn2+,Li)3Al6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

9.CK.05

Olenite

NaAl3Al6(BO3)3(Si6O18)(O,OH)4

trigonal : 3m : R3m

9.CK.05

Feruvite

(Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

9.CK.05

Schorl

NaFe2+3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

9.CK.05

'Tourmaline supergroup'

trigonal : 3m : R3m

9.CK.05

Fluor-Buergerite

NaFe3+3Al6(BO3)3Si6O21F

trigonal : 3m : R3m

9.CK.05

Rossmanite

Na<0.5(Al,Li,Mn2+)3Al6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

9.CK.05

'Indicolite' (Var.v. Elbaite)

9.CK.05

Lucchesiite

CaFe2+3Al6(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Maruyamaite

K(MgAl2)(Al5Mg)(BO3)3(Si6O18)(OH)3O

trigonal : 3m : R3m

9.CK.05

Oxy-dravite

Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Oxy-foitite

☐(Fe2+Al2)Al6(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Povondraite

(Na,K)(Fe3+,Fe2+)3(Fe3+,Mg,Al)6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

9.CK.05

Chromium-Dravite

NaMg3(Cr,Fe3+)6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

9.CK.05

Luinaite-(OH)

(Na,☐)(Fe2+,Mg)3Al6(BO3)3Si6O18(OH)4

monoklin : m : Cm

9.CK.05

Fluordravite

NaMg3Al6Si6O18(BO3)3(OH)3F

trigonal : 3m : R3m

9.CK.05

Liddicoatite

Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4

trigonal : 3m : R3m

9.CK.05

Fluor-schorl

NaFe2+3Al6Si6O18(BO3)3(OH)3F

trigonal : 3m : R3m

9.CK.05

Oxy-schorl

Na(Fe2+2Al)Al6Si6O18(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Tsilaisite

NaMn2+3Al6(Si6O18)(BO3)3(OH)3(OH)

trigonal : 3m : R3m

9.CK.05

Oxy-chromium-dravite

NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Celleriite

☐(Mn2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)

trigonal : 3m : R3m

9.CK.05

Fluor-elbaite

Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F

trigonal : 3m : R3m

9.CK.05

Darrellhenryite

NaLiAl2Al6(BO3)3Si6O18(OH)3O

trigonal : 160 : R3m

9.CK.05

Magnesiofoitite

Na<0.5(Mg,Fe2+,Al)3Al6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

9.CK.05

Oxy-vanadium-dravite

Na(Mg,V3+)3(V3+,Al,Cr3+)6[(OH,O)4|(BO3)3|(Si6O18]

trigonal : 3m : R3m

9.CK.05

Fluor-tsilaisite

NaMn2+3Al6(Si6O18)(BO3)3(OH)3F

trigonal : 3m : R3m

9.CK.05

Fluor-liddicoatite

Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F

trigonal : 3m : R3m

9.CK.05

Magnesio-lucchesiite

CaMg3Al6(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Vanadio-oxy-dravite

NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Vanadio-oxy-chromium-dravite

NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Chromo-alumino-povondraite

NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CK.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Rossmanite

Na<0.5(Al,Li,Mn2+)3Al6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

VIII/E.19-005

Fluor-elbaite

Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F

trigonal : 3m : R3m

VIII/E.19-008

Elbaite

Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

VIII/E.19-010

Tsilaisite

NaMn2+3Al6(Si6O18)(BO3)3(OH)3(OH)

trigonal : 3m : R3m

VIII/E.19-012

Magnesiofoitite

Na<0.5(Mg,Fe2+,Al)3Al6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

VIII/E.19-015

Fluordravite

NaMg3Al6Si6O18(BO3)3(OH)3F

trigonal : 3m : R3m

VIII/E.19-018

Dravite

NaMg3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

VIII/E.19-020

Chromium-Dravite

NaMg3(Cr,Fe3+)6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

VIII/E.19-030

Oxy-vanadium-dravite

Na(Mg,V3+)3(V3+,Al,Cr3+)6[(OH,O)4|(BO3)3|(Si6O18]

trigonal : 3m : R3m

VIII/E.19-035

Foitite

Na0.5(Fe2+,Al,Mn2+,Li)3Al6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

VIII/E.19-040

Oxy-schorl

Na(Fe2+2Al)Al6Si6O18(BO3)3(OH)3O

trigonal : 3m : R3m

VIII/E.19-045

Fluor-schorl

NaFe2+3Al6Si6O18(BO3)3(OH)3F

trigonal : 3m : R3m

VIII/E.19-048

Schorl

NaFe2+3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

VIII/E.19-050

Olenite

NaAl3Al6(BO3)3(Si6O18)(O,OH)4

trigonal : 3m : R3m

VIII/E.19-060

Fluor-Buergerite

NaFe3+3Al6(BO3)3Si6O21F

trigonal : 3m : R3m

VIII/E.19-070

Povondraite

(Na,K)(Fe3+,Fe2+)3(Fe3+,Mg,Al)6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

VIII/E.19-075

Chromo-alumino-povondraite

NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

VIII/E.19-078

Fluor-liddicoatite

Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F

trigonal : 3m : R3m

VIII/E.19-080

'Fluor-Uvite'

CaMg3(Al,Mg)6(Si6O18)(BO3)3(OH)3F

VIII/E.19-088

Uvite

CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)

trigonal : 3m : R3m

VIII/E.19-090

Feruvite

(Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

VIII/E.19-100

Luinaite-(OH)

(Na,☐)(Fe2+,Mg)3Al6(BO3)3Si6O18(OH)4

monoklin : m : Cm

VIII/E.19-110

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Fluor-Buergerite

NaFe3+3Al6(BO3)3Si6O21F

trigonal : 3m : R3m

9.CE.200

Schorl

NaFe2+3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

9.CE.210

Oxy-schorl

Na(Fe2+2Al)Al6Si6O18(BO3)3(OH)3O

trigonal : 3m : R3m

9.CE.213

Fluor-schorl

NaFe2+3Al6Si6O18(BO3)3(OH)3F

trigonal : 3m : R3m

9.CE.215

Povondraite

(Na,K)(Fe3+,Fe2+)3(Fe3+,Mg,Al)6[(OH)4|(BO3)3|Si6O18]

trigonal : 3m : R3m

9.CE.230

Oxy-chromium-dravite

NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CE.235

Chromo-alumino-povondraite

NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O

trigonal : 3m : R3m

9.CE.235

Olenite

NaAl3Al6(BO3)3(Si6O18)(O,OH)4

trigonal : 3m : R3m

9.CE.250

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Dravite

NaMg3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

61.03e.01.09

Schorl

NaFe2+3Al6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

61.03e.01.10

Chromium-Dravite

NaMg3(Cr,Fe3+)6(BO3)3Si6O18(OH)4

trigonal : 3m : R3m

61.03e.01.11

Oxy-vanadium-dravite

Na(Mg,V3+)3(V3+,Al,Cr3+)6[(OH,O)4|(BO3)3|(Si6O18]

trigonal : 3m : R3m

61.03e.01.12

Other languages

English

Schorl

Spanish

Schorl

French

Schorl

German

Schörl

Russian

Шерл

Japanese

鉄電気石

Alternative Name

Spanish

Afrisita

Afrisite

German

Aphricit

Cockle

Schirl

Schorlite (of Hunt)

Shirl

Shorl

Simplified Chinese

铁电气石

Simplified Chinese

黑电气石

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

German pages

DeWikiPedia - search for: Schörl
Google-Bilder-Suche - search for: Schörl
Mineralogisch-Petrographisches-Institut Hamburg - search for: Schörl

English pages

Mindat - search for: Schorl
Webmineral - search for:Schorl
Handbook-of-Mineralogy - search for: Schorl
RRUFF - Raman, XRD and other mineral data - search for: Schorl
RRUFF - References and PDF downloads - search for: Schorl
American-Mineralogist-Crystal-Structure-Database - search for: Schorl
Athena - search for: Schorl

Russian pages

Webmineral.ru - search for: Шерл

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Schörl
Crystal-Treasure.com - search for: Schörl
Bosse - search for: Schörl

Locations with GPS information