Hibschite  Mineral Data

Hibschite Mineral Data

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General Hibschite Information

Help on Chemical  Formula: Chemical Formula: Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5)
Help on Composition: Composition: Molecular Weight = 426.39 gm
   Calcium   28.20 %  Ca   39.45 % CaO
   Aluminum  12.66 %  Al   23.91 % Al2O3
   Silicon   13.17 %  Si   28.18 % SiO2
   Hydrogen   0.95 %  H     8.45 % H2O
   Oxygen    45.03 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3Al2(SiO4)2(OH)4
Help on Environment: Environment: In a calcareous marl.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1905
Help on Locality: Locality: Marienberg, near Aussig, Bohemia of Czechoslovakia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Josef Emanuel Hibsch (1852-1940), German Agricultural Academy, Tetschen, Czech Republic.
Help on Name Pronunciation: Name Pronunciation: Hibschite + Pronunciation Say HIBSCHITE
Help on Synonym: Synonym: Hydrogrossular
  ICSD 31250
  PDF 45-1447
  Plazolite
 

Hibschite Image

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Hibschite

Comments: Deep red translucent dodecahedral crystals of hibschite.
Location: Monte Faiello, Liguria, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hibschite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 12.01, Z = 8; V = 1,732.32 Den(Calc)= 3.27
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.62(1), 2.71(1), 3.03(0.8),
Click Here for Large Hibschite Structure Window Crystal Structure:

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Lager G A , Armbruster T , Rotella F J , Rossman G R , American Mineralogist , 74 (1989) p.840-851, OH substitution in garnets: X-ray and neutron diffraction, infrared, and, geometric-modeling studies

View Additional jPOWD Structure files for Hibschite
[1]
 

Physical Properties of Hibschite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, White, Pale gray, Brown, Pink.
Help on Density: Density: 3.13
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: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luminescence: Luminescence: Fluorescent, Short UV=clear orange.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Hibschite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.06 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2064,KPDmeas= 0.2157,KC= 0.2197
Ncalc = 1.69 - 1.72
Help on Optical Data: Optical Data: Isotropic, n=1.675.
 

Calculated Properties of Hibschite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.14 gm/cc
note: Specific Gravity of Hibschite =3.13 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.006750264
Boson Index = 0.993249736
Help on Photoelectric: Photoelectric: PEHibschite = 4.33 barns/electron
U=PEHibschite x rElectron Density= 13.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hibschite is Not Radioactive
 

Hibschite Classification

Help on  Dana Class: Dana Class: 51.04.03d.01 (51)Nesosilicate Insular SiO4 Groups Only
  (51.04)with cations in [6] and >[6] coordination
  (51.04.03d)Garnet group (Hydrogarnet)
 
51.04.03d.01 Hibschite Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5) I a3d 4/m 3 2/m
 
51.04.03d.02 Katoite Ca3Al2(SiO4)3-x(OH)4xx=1.5-3 I a3d 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 09.AD.25 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AD -Nesosilicates without additional anions;
 
09.AD.25 Almandine Fe3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Calderite (Mn,Ca)3(Fe,Al)2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Andradite Ca3Fe2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Goldmanite Ca3(V,Al,Fe)2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Hibschite Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5) I a3d 4/m 3 2/m
 
09.AD.25 Knorringite Mg3Cr2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Grossular Ca3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Henritermierite Ca3(Mn,Al)2(SiO4)2(OH)4 I 41/acd 4/m 2/m 2/m
 
09.AD.25 Katoite Ca3Al2(SiO4)3-x(OH)4xx=1.5-3 I a3d 4/m 3 2/m
 
09.AD.25 Majorite Mg3(Fe,Al,Si)2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Kimzeyite Ca3(Zr,Ti)2(Si,Al,Fe)3O12 I a3d 4/m 3 2/m
 
09.AD.25 Morimotoite Ca3TiFeSi3O12 I a3d 4/m 3 2/m
 
09.AD.25 Pyrope Mg3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Spessartine Mn3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Schorlomite Ca3(Ti,Fe,Al)2[(Si,Fe,Fe)O4]3 I a3d 4/m 3 2/m
 
09.AD.25 Uvarovite Ca3Cr2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Wadalite Ca6Al5Si2O16Cl3 I 43d 4 3m
 
09.AD.25 Holtstamite! Ca3(Al,Mn)2(SiO4)2(OH)4 I 41/acd 4/m 2/m 2/m
 

Other Hibschite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Hibschite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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

Hibschite

Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5)
Dana No: 51.04.03d.01 Strunz No: 09.AD.25
Locality:

 

Notes: