Mineralogy Database

Sulfur Mineral Data

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General Sulfur Information

Help on Chemical  Formula: Chemical Formula: S8
Help on Composition: Composition: Molecular Weight = 256.53 gm
   Sulfur 100.00 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: S8
Help on Environment: Environment: Volcanic exhalations and bacterial reduction of sulfates in sediments.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Notable localities are in Sicily, Italy and salt domes of the United States Gulf Coast. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Sanskrit, sulvere = "sulfur;" Latin sulphurium.
Help on Name Pronunciation: Name Pronunciation: Sulfur Say SULFUR
Help on Synonym: Synonym: ICSD 63082
  PDF 8-247
  Schwefel
  Soufre
 

Sulfur Image

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  Coccinite   Sulfur

Comments: Orange-red coccinite on sulfur. Due to the volatility of the mineral at room temperature, the sample is preserved in a closed vial. The photo was made through the vial, therefore the sharpness is reduced.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

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  Sulfur

Comments: Single complex crystal of sulfur on white, sucrosic aragonite.
Location: Girgenti, Sicily, Italy. Scale: Crystal size 4.5.
© John Veevaert

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  Metastibnite   Sulfur

Comments: Red coatings of metastibnite with yellow sulfur.
Location: Steamboat Springs, Washoe County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sulfur Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8135:1:1.9042
Help on Cell Dimensions: Cell Dimensions: a = 10.45, b = 12.845, c = 24.46, Z = 16; V = 3,283.27 Den(Calc)= 2.08
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: F ddd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.85(1), 3.21(0.6), 3.44(0.4),
Help on Forms: Forms:

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Forms: ( 1 1 1) ( 1 1 2)

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Physical Properties of Sulfur

Help on Cleavage: Cleavage: {???} Imperfect, {???} Imperfect
Help on Color: Color: Yellow, Yellowish brown, Yellowish gray, Reddish, Greenish.
Help on Density: Density: 2.05 - 2.09, Average = 2.06
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Reniform - "Kidney like" in shape (e.g.. hematite).
Help on Habit: Habit: Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Help on Hardness: Hardness: 1.5-2.5 - Hardness very near Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Resinous
Help on Streak: Streak: white
 

Optical Properties of Sulfur

Help on Optical Data: Optical Data: Biaxial (+), a=1.9579, b=2.0377, g=2.2452, bire=0.2873, 2V(Calc)=70, 2V(Meas)=68.967. Dispersion relatively weak.
 

Calculated Properties of Sulfur

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.08 gm/cc
note: Specific Gravity of Sulfur =2.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0075
Boson Index = 0.9925
Help on Photoelectric: Photoelectric: PESulfur = 5.40 barns/electron
U=PESulfur x rElectron Density= 11.22 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sulfur is Not Radioactive
 

Sulfur Classification

Help on  Dana Class: Dana Class: 01.03.05.01 (01)Native Elements
  (01.03)with semi-metallic and non-metallic elements
  (01.03.05)Sulfur Polymorph group
 
01.03.05.01 Sulfur S8 F ddd 2/m 2/m 2/m
 
01.03.05.02 Rosickyite S P 2/c 2/m
Help on  Strunz Class: Strunz Class: 01.CC.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.C - Metalloids and Nonmetals
  01.CC -Sulfur-selenium-iodine
 
01.CC.05 Sulfur S8 F ddd 2/m 2/m 2/m
 
01.CC.05 Rosickyite S P 2/c 2/m
 

Other Sulfur Information

Help on References: References: NAME( Emsley91) 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 Sulfur :
1 - Alkali-Nuts(English)
2 - Am. Min. Crystal Structure Database
3 - Amethyst Galleries' Mineral Gallery
4 - Athena
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Glendale Community College
8 - Google Images
9 - Google Scholar
10 - HyperPhysics
11 - HyperPhysics
12 - MinDAT
13 - Mineral and Gemstone Kingdom
14 - Mineralienatlas (Deutsch)
15 - NSDL Reciprocal Net (JAVA)
16 - Online Mineral Museum
17 - Philatelic Mineralogy
18 - QUT Mineral Atlas
19 - Ruff.Info
20 - WWW-MINCRYST
21 - YupRocks
22 - theimage

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Sulfur

S8
Dana No: 01.03.05.01 Strunz No: 01.CC.05
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