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Torreyite

Collectors Summary

Color bläulichweiß
Streak color weiß
Hardness (Mohs) 3
Cleavages {010} gut
Solubility +++ Säuren
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

Chem­ical com­po­si­tion

Magnesium, Mangan, Zink, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1259.718693275 u; Number of atoms in the formula: 91

Info

Empirical formula:

(Mg0.75Mn0.25)9Zn4(SO4)2(OH)22·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.04

38

41.76

1.0079470

38.3019860

Oxygen

O

48.26

38

41.76

15.9994300

607.9783400

Magnesium

Mg

13.02

6.75

7.42

24.3050600

164.0591550

Sulfur

S

5.09

2

2.20

32.0655000

64.1310000

Manganese

Mn

9.81

2.25

2.47

54.9380499

123.6106123

Zinc

Zn

20.77

4

4.40

65.4094000

261.6376000

Anal­y­sis wt%

MgO : 17.27, MnO : 17.98, ZnO : 26.30, SO3 : 11.64, H2O : 26.39 (Ref: American Mineralogist 79)

Strunz 9th edi­tion incl. updates

7.DD.40

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
D: mit mittelgroßen Kationen; Lagen von kantenverknüpften Oktaedern
40:Torreyit-Gruppe

Lapis Clas­sifica­tion

VI/D.04-020

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
4: Mittelgroße Kationen

Clas­sifica­tion by Hölzel

7.DD.750

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
D: Sulfate-Hydrotalcites

Dana 8th edi­tion

31.01.04.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
01: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)m (XO4)p Zq·x(H2O), where m:p>6:1

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

bläulichweiß

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend

max. Birefrin­gence

0.015

Birefringence chart\! Torreyite title=Birefringence chart Torreyite

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

1.570

RI value β

1.584

RI value γ / ε

1.585

Ri mean

1.580

2V angle

Biaxial (-) 40°~

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

10.5 a

Cell param­e­ters b (Å)

9.6

Cell param­e­ters c (Å)

16.4

Cell param­e­ters a/b or c/a

1.094

Cell param­e­ters c/b

1.708

Cell param­e­ters α

90°

Cell param­e­ters β

95°..

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

1646.829

X-Ray Pow­der Diffrac­tion

10.2(100),
6.10(30),
5.16(50),
4.52(20),
3.84(40),
3.47(20),
2.729(40),
1.566(50)

XRD chart Torreyite

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

Physical Properties

Hard­ness (Mohs)

3

Density (g/cm³)

2.665

2.54 ( ρ calc. Mineralienatlas )

Cleav­ages

{010} gut

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Prewitt-Hopkins, 1949

References

American Mineralogist 64 (1979), 949

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

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

7.DD.40

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

7.DD.40

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

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8H2O

monoklin : 2/m : P21/a

VI/D.04-010

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

VI/D.04-020

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

VI/D.04-030

Hauckite

(Mg,Mn2+)24Zn18Fe33+(SO4)4(CO3)2(OH)81

VI/D.04-050

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

Chalcoalumite

CuAl4(SO4)(OH)12·3H2O

monoklin : 2 : P21

7.DD.700

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8H2O

monoklin : 2/m : P21/a

7.DD.720

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

7.DD.750

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

7.DD.760

Thérèsemagnanite

NaCo4(SO4)(OH)6Cl·6H2O

trigonal : 3 : P3

7.DD.770

Guarinoite

(Zn,Co,Ni)6(SO4)(OH,Cl)10·5H2O

7.DD.780

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

Connellite

Cu36(SO4)(OH)62Cl8·6H2O

hexagonal : 6/mmm : P63/mmc

31.01.01.01

Mooreite

(Mg,Zn,Mn)15(SO4)2(OH)26·8H2O

monoklin : 2/m : P21/a

31.01.03.01

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/a

31.01.04.01

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8H2O

monoklin : 2/m : P21/c

31.01.04.02

Spangolite

Cu6Al(SO4)(OH)12Cl·3H2O

trigonal : 3m : P31c

31.01.05.01

Bechererite

Zn7Cu[(OH)13|SiO(OH)3|SO4]

trigonal : 3, 3 : P3, P3

31.01.06.02

Pseudojohannite

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

triklin : 1 : P1

31.01.07.01

Other languages

German

Torreyit

Spanish

Torreyita

French

Torreyite

English

Torreyite

Alternative Name

English

Delta-mooreite

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

German pages

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

English pages

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

German pages

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Crystal-Treasure.com - search for: Torreyit
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Locations with GPS information