Mineralogy Database

Kirschsteinite Mineral Data

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General Kirschsteinite Information

Help on Chemical  Formula: Chemical Formula: CaFe++SiO4
Help on Composition: Composition: Molecular Weight = 188.01 gm
   Calcium  21.32 %  Ca   29.83 % CaO
   Iron     29.70 %  Fe   38.21 % FeO
   Silicon  14.94 %  Si   31.96 % SiO2
   Oxygen   34.04 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaFe2+(SiO4)
Help on Environment: Environment: In melilite-nephelinite lava.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: Mt. Shaheru, the extinct southern cone of Mt. Nyiragongo, Kivu Province, Congo (Zaire). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Egon Kirschstein, German geologist, a pioneer in the geological exploration of Kivu Province, Congo (Zaire).
Help on Name Pronunciation: Name Pronunciation: Kirschsteinite + Pronunciation Say KIRSCHSTEINITE
Help on Synonym: Synonym: ICSD 83824
  PDF 34-98
 

Kirschsteinite Image

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  Kirschsteinite

Comments: Grayish green crystalline massive kirschsteinite.
Location: Mazarron, Murcia, Spain. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kirschsteinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.4367:1:0.5774
Help on Cell Dimensions: Cell Dimensions: a = 4.877, b = 11.166, c = 6.448, Z = 4; V = 351.14 Den(Calc)= 3.56
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbmn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.949(1), 2.68(0.85), 2.604(0.8),
 

Physical Properties of Kirschsteinite

Help on Color: Color: Colorless, Light green.
Help on Density: Density: 3.434
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Kirschsteinite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.023 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1983,KPDmeas= 0.2056,KC= 0.201
Ncalc = 1.69 - 1.72
Help on Optical Data: Optical Data: Biaxial (-), a=1.674-1.693, b=1.694-1.734, g=1.706-1.735, bire=0.0320-0.0420, 2V(Calc)=16-74, 2V(Meas)=50.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Kirschsteinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.48 gm/cc
note: Specific Gravity of Kirschsteinite =3.56 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEKirschsteinite = 12.06 barns/electron
U=PEKirschsteinite x rElectron Density= 42.01 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kirschsteinite is Not Radioactive
 

Kirschsteinite Classification

Help on  Dana Class: Dana Class: 51.03.02.02 (51)Nesosilicate Insular SiO4 Groups Only
  (51.03)with all cations in octahedral [6] coordination
  (51.03.02)Monticellite - Kirschsteinite series
 
51.03.02.01 Monticellite CaMgSiO4 P nma 2/m 2/m 2/m
 
51.03.02.02 Kirschsteinite CaFeSiO4 Pbmn 2/m 2/m 2/m
 
51.03.02.03 Glaucochroite CaMnSiO4 Pbnm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.AC.05 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AC -Nesosilicates without additional anions;
 
09.AC.05 Forsterite Mg2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Glaucochroite CaMnSiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Fayalite Fe2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Olivine* (Mg,Fe)2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Kirschsteinite CaFeSiO4 Pbmn 2/m 2/m 2/m
 
09.AC.05 Laihunite FeFe2(SiO4)2 P 21/b 2/m
 
09.AC.05 Liebenbergite (Ni,Mg)2SiO4 Pbnm 2/m 2/m 2/m
 
09.AC.05 Tephroite Mn2SiO4 P nma 2/m 2/m 2/m
 

Other Kirschsteinite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Heinrich65)
Help on See Also: See Also: Links to other databases for Kirschsteinite :
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 - University of Colorado - Mineral Structure Data
16 - WWW-MINCRYST

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

Kirschsteinite

CaFe++SiO4
Dana No: 51.03.02.02 Strunz No: 09.AC.05
Locality:

 

Notes:

 

 
   
 


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