Jeromite Mineral Data

Jeromite Mineral Data
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General Jeromite Information

Help on Chemical Formula: Chemical Formula: As(S,Se)2
Help on Composition: Composition: Molecular Weight = 162.50 gm
   Arsenic   46.11 %  As
   Selenium  24.30 %  Se
   Sulfur    29.60 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: AsS1.5Se0.5
Help on Environment: Environment: Sublimate of burning sulfide ores in a mine fire. Jeromite (1928) is amorphous As-S-Se phase of variable composition and does not fit the current criteria of a valid mineral species .
Help on IMA Status: IMA Status: Discredited IMA 2006 - Valid Species (Pre-IMA) 1928
Help on Locality: Locality: United Verde Mine, Jerome, Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality
Help on Name Pronunciation: Name Pronunciation: Jeromite Say JEROMITE
 

Jeromite Image

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Jeromite

Comments: Orange, powdery jeromite on matrix.
Location: Salar de Surire, Tarapaca, Chile. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Jeromite Crystallography
Help on Crystal System: Crystal System: Amorphous- No Crystals
 

Physical Properties of Jeromite

Help on Color: Color: Cherry red, Red, Black.
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Streak: Streak: reddish black
 

Calculated Properties of Jeromite

Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEJeromite = 53.13 barns/electron
U=PEJeromite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jeromite is Not Radioactive
 

Jeromite Classification
Help on Dana Class: Dana Class: 02.12.12.01 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.12)Dana Group
 
02.12.12.01 Jeromite? As(S,Se)2 None
Help on Strunz Class: Strunz Class: 02.XX.00 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.X - Unclassified Strunz SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarse
  02.XX -Sulfide, Se
 
02.XX.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic
 
02.XX.00 Bayankhanite? Cu6HgS4 Unk Hex
 
02.XX.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3
 
02.XX.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3
 
02.XX.00 Dilithium* Li2Te P 222 2 2 2
 
02.XX.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m
 
02.XX.00 Horsfordite? Cu5Sb Unk Cubic
 
02.XX.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 43n Cubic
 
02.XX.00 Imgreite? NiTe P 63/mmc 6/m 2/m 2/m
 
02.XX.00 Matraite? ZnS R 3m 3m
 
02.XX.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic
 
02.XX.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono
 
02.XX.00 Jeromite? As(S,Se)2 None
 
02.XX.00 Parajamesonite? Pb4FeSb6S14 Unk Ortho
 
02.XX.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 42m-,P 4212 Tetra
 
02.XX.00 Prassoite Rh17S15(?) P m3m 4/m 3 2/m
 
02.XX.00 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono
 
02.XX.00 Samaniite Cu2Fe5Ni2S8 P 41/mmm 4mm
 
02.XX.00 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m
 
02.XX.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm
 

Other Jeromite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Jeromite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Jeromite

As(S,Se)2
Dana No: 02.12.12.01 Strunz No: 02.XX.00
Locality:

 

Notes: