Goslarite Mineral Data (original) (raw)

General Goslarite Information

Help on Chemical Formula: Chemical Formula:

ZnSO4•7(H2O)

Help on Composition: Composition:

Molecular Weight = 287.56 gm

Zinc 22.74 % Zn 28.30 % ZnO

Hydrogen 4.91 % H 43.85 % H2O

Sulfur 11.15 % S 27.84 % SO3

Oxygen 61.20 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Zn(SO4)•7(H2O)

Help on Environment: Environment:

Efflorescent crusts on mine timbers formed from the oxidation of sphalerite.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1847

Help on Locality: Locality:

Rammelsberg mine, near Goslar, Harz, Germany. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named after its locality.

Help on Name Pronunciation: Name Pronunciation:

Goslarite + Pronunciation Say GOSLARITE

Goslarite Image

Click Here for Larger Goslarite Image in a New Browser Window Images:

Goslarite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.9786:1:0.5653

Help on Cell Dimensions: Cell Dimensions:

a = 11.8176, b = 12.0755, c = 6.827, Z = 4; V = 974.24 Den(Calc)= 1.96

Help on Crystal System: Crystal System:

Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 4.21(1), 5.36(0.8), 4.18(0.5),

Physical Properties of Goslarite

Help on Cleavage: Cleavage:

{010} Perfect

Help on Color: Color:

Blue, Brown, Colorless, Green, Green blue.

Help on Density: Density:

2

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Fracture: Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Help on Habit: Habit:

Acicular - Occurs as needle-like crystals.

Help on Habit: Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Help on Habit: Habit:

Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).

Help on Hardness: Hardness:

2-2.5 - Gypsum-Finger Nail

Help on Luminescence: Luminescence:

Non-fluorescent.

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Goslarite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2398,KPDmeas= 0.235,KC= 0.2431
Ncalc = 1.48 - 1.49

Help on Optical Data: Optical Data:

Biaxial (-), a=1.447-1.463, b=1.475-1.48, g=1.47-1.485, bire=0.0220-0.0230, 2V(Meas)=46. Dispersion none.

Help on Pleochroism (x): Pleochroism (x):

none.

Help on Pleochroism (y): Pleochroism (y):

non.

Calculated Properties of Goslarite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.02 gm/cc
note: Specific Gravity of Goslarite =1.96 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEGoslarite = 11.38 barns/electron
U=PEGoslarite x rElectron Density= 22.96 barns/cc.

Help on Radioactivity: Radioactivity:

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

Goslarite Classification

Help on Dana Class: Dana Class:

29.06.11.02 (29)Hydrated Acid and Sulfates

(29.06)where A XO4 � x(H2O)

(29.06.11)Epsomite Group

29.06.11.01 Epsomite MgSO4•7(H2O) P 212121 2 2 2

29.06.11.02 Goslarite ZnSO4•7(H2O) P 212121 2 2 2

29.06.11.03 Morenosite NiSO4•7(H2O) P 212121 2 2 2

Help on Strunz Class: Strunz Class:

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

07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O

07.CB -With only medium-sized cations

07.CB.40 Epsomite MgSO4•7(H2O) P 212121 2 2 2

07.CB.40 Goslarite ZnSO4•7(H2O) P 212121 2 2 2

07.CB.40 Morenosite NiSO4•7(H2O) P 212121 2 2 2

Other Goslarite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8, AmMin, v91, p221) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

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

Search for Goslarite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Goslarite :

A Bijoux Google Search for Goslarite
Adam's Minerals Google Search for Goslarite
Cape Minerals Google Search for Goslarite
Dakota Matrix Minerals Google Search for Goslarite
Excalibur Mineral Corp. Google Search for Goslarite
Exceptional Minerals Google Search for Goslarite
John Betts Fine Minerals Search for Goslarite
McDougall Minerals Google Search for Goslarite
Mineral News Website Link
Rock and Mineral Shows Google Search for Goslarite
Weinrich Minerals, Inc. Google Search for Goslarite

Ask about Goslarite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espa�ol

Print or Cut-and-Paste your Goslarite Specimen Label here :

Goslarite

ZnSO4•7(H2O)
Dana No: 29.06.11.02 Strunz No: 07.CB.40
Locality:

Notes: