Torreyite Mineral Data (original) (raw)

General Torreyite Information

Help on Chemical Formula: Chemical Formula:

(Mg,Mn)9Zn4(SO4)2(OH)22•8(H2O)

Help on Composition: Composition:

Molecular Weight = 1,282.62 gm

Magnesium 11.37 % Mg 18.85 % MgO

Manganese 12.85 % Mn 16.59 % MnO

Zinc 20.39 % Zn 25.38 % ZnO

Hydrogen 2.99 % H 26.69 % H2O

Sulfur 5.00 % S 12.48 % SO3

Oxygen 47.40 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Mg6Mn2+3Zn4(SO4)2(OH)22•8(H2O)

Help on Environment: Environment:

Veinlets cutting calcite-franklinite-willemite ore in a metamorphosed stratiform zinc orebody.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1949

Help on Locality: Locality:

Sterling Hill, Ogdensburg, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for John Torrey (1796-1873), American naturalist who early studied Franklin, New Jersey, USA minerals.

Help on Name Pronunciation: Name Pronunciation:

Torreyite + Pronunciation Say TORREYITE

Torreyite Image

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Torreyite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =1.7742:1:1.1428

Help on Cell Dimensions: Cell Dimensions:

a = 16.486, b = 9.292, c = 10.619, Z = 2; beta = 95.42° V = 1,619.43 Den(Calc)= 2.63

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 13.06(1), 5.35(0.9), 3.85(0.8),

Physical Properties of Torreyite

Help on Cleavage: Cleavage:

{010} Good

Help on Color: Color:

Bluish white.

Help on Density: Density:

2.665

Help on Diaphaneity: Diaphaneity:

Translucent

Help on Hardness: Hardness:

3 - Calcite

Help on Luster: Luster:

Vitreous - Pearly

Help on Streak: Streak:

white

Optical Properties of Torreyite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.026 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2204,KPDmeas= 0.2175,KC= 0.2233
Ncalc = 1.59 - 1.6

Help on Optical Data: Optical Data:

Biaxial (-), a=1.57, b=1.584, g=1.585, bire=0.0150, 2V(Calc)=28, 2V(Meas)=40.

Calculated Properties of Torreyite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.63 gm/cc
note: Specific Gravity of Torreyite =2.63 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Help on Photoelectric: Photoelectric:

PETorreyite = 13.57 barns/electron
U=PETorreyite x rElectron Density= 35.69 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Torreyite is Not Radioactive

Torreyite Classification

Help on Dana Class: Dana Class:

31.01.04.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.01)where (A+ B++)m (XO4)p Zq�x(H2O), where m:p>6:1

(31.01.04)Dana Group

31.01.04.01 Torreyite (Mg,Mn)9Zn4(SO4)2(OH)22•8(H2O) P 21/a 2/m

31.01.04.02 Lawsonbauerite (Mn,Mg)9Zn4(SO4)2(OH)22•8(H2O) P 21/c 2/m

Help on Strunz Class: Strunz Class:

07.DD.40 07 - SULFATES (SELENATES, TELLURATES)

07.D - Sulfates (selenates, etc.) with additional anions, with H2O

07.DD -With only medium-sized cations; sheets of edge-sharing octahedra

07.DD.40 Lawsonbauerite (Mn,Mg)9Zn4(SO4)2(OH)22•8(H2O) P 21/c 2/m

07.DD.40 Torreyite (Mg,Mn)9Zn4(SO4)2(OH)22•8(H2O) P 21/a 2/m

Other Torreyite Information

Help on References: References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Torreyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Ask about Torreyite here :
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Print or Cut-and-Paste your Torreyite Specimen Label here :

Torreyite

(Mg,Mn)9Zn4(SO4)2(OH)22•8(H2O)
Dana No: 31.01.04.01 Strunz No: 07.DD.40
Locality:

Notes: