Klebelsbergite Mineral Data

General Klebelsbergite Information

Chemical Formula:

Sb+++4O4(OH)2(SO4)

Composition:

Molecular Weight = 681.08 gm

Antimony 71.50 % Sb 85.60 % Sb₂O₃

Hydrogen 0.30 % H 2.65 % H₂O

Sulfur 4.71 % S 11.76 % SO₃

Oxygen 23.49 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Sb₄O₄(OH)₂(SO₄)

Environment:

Secondary mineral in antimony deposits.

IMA Status:

Valid Species (Pre-IMA) 1929

Locality:

Baia Sprie (formerly Felsobanya), Maramures, Romania. Link to MinDat.org Location Data.

Name Origin:

Named for Kuno Klebelsberg (1875-1932), Hungarian educator.

Name Pronunciation:

Klebelsbergite + Pronunciation

Synonym:

ICSD 100340

PDF 35-464

Klebelsbergite Image

Images:

Klebelsbergite

Comments: Small, acicular sprays of klebelsbergite with yellow crystals of sulfur on stibnite.
Location: Pereta Mine, Grosseto Province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Klebelsbergite Crystallography

Axial Ratios:

a:b:c =0.7565:1:0.3866

Cell Dimensions:

a = 11.279, b = 14.909, c = 5.7648, Z = 4; V = 969.40 Den(Calc)= 4.67

Crystal System:

Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: P ca2₁

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.131(1), 3.892(0.8), 6.22(0.8),

Physical Properties of Klebelsbergite

Cleavage:

{???} Perfect

Color:

Colorless, Yellow orange, White, Light yellow, Dark yellow.

Density:

4.62

Diaphaneity:

Transparent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Hardness:

3.5-4 - Copper Penny-Fluorite

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

yellow white

Optical Properties of Klebelsbergite

Gladstone-Dale:

CI meas= -0.01 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2034,KPDmeas= 0.2056,KC= 0.2036
Ncalc = 1.94 - 1.95

Optical Data:

Biaxial (-), b=1.95, 2V(Meas)=70.

Calculated Properties of Klebelsbergite

Electron Density:

Bulk Density (Electron Density)=4.14 gm/cc
note: Specific Gravity of Klebelsbergite =4.67 gm/cc.

Fermion Index:

Fermion Index = 0.0004663129
Boson Index = 0.9995336871

Photoelectric:

PE_{Klebelsbergite}= 237.44 barns/electron
U=PE_{Klebelsbergite} x rElectron Density= 983.36 barns/cc.

Radioactivity:

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

Klebelsbergite Classification

Dana Class:

30.01.05.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen

(30.01)where (A B)m (XO4)p Zq where m:p>2:1

(30.01.05)Dana Group

30.01.05.01 Klebelsbergite Sb4O4(OH)2(SO4) P ca2₁ mm2

Strunz Class:

07.BB.35 07 - SULFATES (SELENATES, TELLURATES)

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

07.BB -With medium-sized cations

07.BB.35 Klebelsbergite Sb4O4(OH)2(SO4) P ca2₁ mm2

Other Klebelsbergite Information

References:

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

See Also:

Links to other databases for Klebelsbergite :
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 Klebelsbergite using:

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

Visit our Advertisers for Klebelsbergite :

Ask about Klebelsbergite 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 Español

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

Klebelsbergite

Sb+++4O4(OH)2(SO4)
Dana No: 30.01.05.01 Strunz No: 07.BB.35
Locality:

Notes:

Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.