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Epsomite

Pictures (10 Images total)

faseriger Epsomit
Views (Image: 1159127588): 6637
faseriger Epsomit

Größe: 34x30mm; Fundort: San Antonio Mine, Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexiko

Copyright: John Sobolewski
Contribution: slugslayer 2006-09-24
Locality: Mina San Antonio el Grande / East Camp / Santa Eulalia / Aquiles Serdán, Municipio / Chihuahua / Mexiko
Epsomit
Views (Image: 1414749871): 4185
Epsomit

Stengelig-faseriger Epsomit auf Ton. Fundort: Tongrube im Hammerthal, Bad Freienwalde, Brandenburg, Deutschland. Bildbreite: 12 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: raritätenjäger 2014-10-31
Locality: Tongruben / Bad Freienwalde / Märkisch-Oderland, Landkreis / Brandenburg / Deutschland
Epsomite
Views (Image: 1459630020): 736
Epsomite

Mina de les Ferreres (level 2), Rocabruna, Camprodon, el Ripollès, Girona, Catalunya, Spain. FoV: 4.5 cm.

Collection: J. Rosell
Copyright: J. Rosell
Contribution: Rocabruna 2016-04-02
Locality: Les Ferreres / Rocabruna / Camprodon / Ripollès / Girona, Provinz / Katalonien (Cataluña) / Spanien
Epsomit xx
Views (Image: 1500756525): 1751
Epsomit xx

Epsomit xx mit Metavoltin (gelb-braune Kruste); BB etwa 5cm; Fundort: Le Cetine di Cotorniano Mine, Chiusdino, Provinz Siena, Toskana, Italien

Collection: anatase2
Copyright: derhesse
Contribution: derhesse 2017-07-22
Locality: Le Cetine di Cotorniano Mine / Chiusdino / Siena, Provinz / Toskana (Toscana) / Italien
Hilarionstollen Epsomit
Views (Image: 1154878591): 5340
Hilarionstollen Epsomit

Epsomit im Hilarion Stollen

Copyright: JHM
Contribution: JHM 2006-08-06
Locality: Hilarion Mine (Hilarion-Stollen, Mine Nr. 50) / Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
Epsomit
Views (Image: 1402404557): 2410
Epsomit

Grube Himmelsfürst, Brand-Erbisdorf, Revier Freiberg, Erzgebirge, Sachsen, Deutschland; Epsomit xx auf alten Grubenholz; Größe 6 x 2 cm

Collection: Furrasa
Copyright: Furrasa
Contribution: Furrasa 2014-06-10
Locality: Grube Himmelsfürst / Brand-Erbisdorf / Freiberg, Revier / Mittelsachsen, Landkreis / Sachsen / Deutschland

Collectors Summary

Color farblos, weiß, gelblich weiß, grünlichweiß, blassrosa weiß
Streak color weiß
Hardness (Mohs) 2.25
Solubility +++ H2O
Crystal System orthorhombisch, P212121

Chemism

Chem­ical formula

MgSO4·7H2O

Chem­ical com­po­si­tion

Magnesium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 246.475548 u; Number of atoms in the formula: 27

Info

Empirical formula:

MgSO4·7H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

5.73

14

51.85

1.0079470

14.1112580

Oxygen

O

71.40

11

40.74

15.9994300

175.9937300

Magnesium

Mg

9.86

1

3.70

24.3050600

24.3050600

Sulfur

S

13.01

1

3.70

32.0655000

32.0655000

Anal­y­sis wt%

MgO : 15.24, ZnO : 0.53, MnO : 0.40, SO3 : 32.33, H2O : 51.10 (Ref: Mineralogical Magazine 31)

Strunz 9th edi­tion incl. updates

7.CB.40

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
B: Mit ausschließlich mittelgroßen Kationen
40:Epsomit-Gruppe

Lapis Clas­sifica­tion

VI/C.07-010

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
7: Mittelgroße Kationen

Clas­sifica­tion by Hölzel

7.CB.400

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
B: Vitriol-Group, Mg,Fe,Co,Ni,Mn,Cu,Zn-Sulfates with 4 to 7 Water
4: Epsomite-Group

Dana 8th edi­tion

29.06.11.01

29: Hydrated Acid and Sulfates
06: Hydrated Acid and Sulfates where A XO4 · x(H2O)
11: Epsomite Group

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos, weiß, gelblich weiß, grünlichweiß, blassrosa weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.028

Birefringence chart\! Epsomite title=Birefringence chart Epsomite

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

1.433

RI value β

1.455

RI value γ / ε

1.461

Ri mean

1.450

2V angle

Biaxial (-) 55°

Optical Data Luminescence

Color LW-UV (365nm)

 

gelblich weiß

Color SW-UV (254nm)

 

blau

SW-UV Intensity

schwach

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

222

Space Group number

19

Space Group

P212121

Cell param­e­ters a (Å)

11.94

Cell param­e­ters b (Å)

12.03

Cell param­e­ters c (Å)

6.865

Cell param­e­ters a/b or c/a

0.993

Cell param­e­ters c/b

0.571

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

986.076

X-Ray Pow­der Diffrac­tion

6.80(30),
5.434(60),
4.716(30),
4.458(100),
3.966(60),
3.399(40),
3.218(40),
2.948(60)

XRD chart Epsomite

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)

2.25

VHN (Hard­ness Vick­ers)

42 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.67 - 1.68 / Durchschnittlich = 1.67

1.66 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O

(Co-)Type locality

(Co-)Type locality

UK/England/Surrey Co./Epsom

Preface

Author (Name, Year)

Herman, 1721

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 205

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

Epsomite

MgSO4·7H2O

orthorhombisch : 222 : P212121

7.CB.40

Goslarite

ZnSO4·7H2O

orthorhombisch : 222 : P212121

7.CB.40

Morenosite

NiSO4·7H2O

orthorhombisch : 222 : P212121

7.CB.40

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

Meridianiite

MgSO4·11H2O

triklin : 1 : P1

VI/C.07-005

Epsomite

MgSO4·7H2O

orthorhombisch : 222 : P212121

VI/C.07-010

Morenosite

NiSO4·7H2O

orthorhombisch : 222 : P212121

VI/C.07-020

Goslarite

ZnSO4·7H2O

orthorhombisch : 222 : P212121

VI/C.07-030

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

Epsomite

MgSO4·7H2O

orthorhombisch : 222 : P212121

7.CB.400

Alpersite

(Mg)SO4·7H2O

monoklin : 2/m : P21/c

7.CB.405

Boothite

(Cu,Mg)(SO4)·7H2O

7.CB.410

Goslarite

ZnSO4·7H2O

orthorhombisch : 222 : P212121

7.CB.420

Zincmelanterite

(Zn,Fe2+)[SO4]·7H2O

7.CB.425

Melanterite

Fe2+SO4·7H2O

monoklin : 2/m : P21/c

7.CB.430

Morenosite

NiSO4·7H2O

orthorhombisch : 222 : P212121

7.CB.440

Bieberite

CoSO4·7 H2O

monoklin : 2/m : P21/c

7.CB.450

Mallardite

Mn2+SO4·7H2O

monoklin : 2/m : P21/c

7.CB.460

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

Melanterite

Fe2+SO4·7H2O

monoklin : 2/m : P21/c

29.06.10.01

Boothite

(Cu,Mg)(SO4)·7H2O

29.06.10.02

Zincmelanterite

(Zn,Fe2+)[SO4]·7H2O

29.06.10.03

Bieberite

CoSO4·7 H2O

monoklin : 2/m : P21/c

29.06.10.04

Mallardite

Mn2+SO4·7H2O

monoklin : 2/m : P21/c

29.06.10.05

Alpersite

(Mg)SO4·7H2O

monoklin : 2/m : P21/c

29.06.10.06

Epsomite

MgSO4·7H2O

orthorhombisch : 222 : P212121

29.06.11.01

Goslarite

ZnSO4·7H2O

orthorhombisch : 222 : P212121

29.06.11.02

Morenosite

NiSO4·7H2O

orthorhombisch : 222 : P212121

29.06.11.03

Minasragrite

V4+[O|SO4]·5H2O

monoklin : 2/m : P21/c

29.06.12.01

Bobjonesite

(V4+O)[SO4]·3H2O

monoklin : 2/m : P21/n

29.06.12.02

Anorthominasragrite

V4+[O|SO4]·5H2O

triklin : 1 : P1

29.06.12.03

Stanleyite

V4+[O|SO4]·6H2O

29.06.13.01

Orthominasragrite

V4+[O|SO4]·5H2O

orthorhombisch : mm2 : Pmn21

29.06.13.02

Varieties

Manganoan Epsomite

Mangan-haltiger Epsomit

Other languages

Dutch

Epsomiet

German

Epsomit

Spanish

Epsomita

English

Epsomite

French

Epsomite

Ukrainian

Епсоміт

Russian

Эпсомит

Hebrew

אפסומיט

Simplified Chinese

泻利盐

Alternative Name

Bitter Salts

Bittersalz

Epsom Salt

Latin

Epsomensis

German

Epsonit

Spanish

Epsonita

Epsonite

German

Gletschersalz

Halotrichum

Latin

Magnesia vitriolata

German

Reichardtit

Spanish

Reichardtita

Reichardtite

Latin

Sal Anglicanum

Latin

Sal Anglicus

Latin

Sal Catartica

Latin

Sal amarus

Latin

Sal catharticum

Latin

Sal nativum catharticum

Latin

Sal neutrum acidulare

Seelandite

German

Seidlitzensis

French

Sel d'Epsom

German

Seydschützensis

Japanese

エプソマイト

Simplified Chinese

七水镁矾

Simplified Chinese

镁盐

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Эпсомит

Mineral Dealer

German pages

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

Locations with GPS information