Hibschite Mineral Data

[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974

General Hibschite Information

Chemical Formula:

Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5)

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

Empirical Formula:

Ca₃Al₂(SiO₄)₂(OH)₄

Environment:

In a calcareous marl.

IMA Status:

Valid Species (Pre-IMA) 1905

Locality:

Marienberg, near Aussig, Bohemia of Czechoslovakia. Link to MinDat.org Location Data.

Name Origin:

Named for Josef Emanuel Hibsch (1852-1940), German Agricultural Academy, Tetschen, Czech Republic.

Name Pronunciation:

Hibschite + Pronunciation

Synonym:

Hydrogrossular

ICSD 31250

PDF 45-1447

Plazolite

Hibschite Image

Images:

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

Cell Dimensions:

a = 12.01, Z = 8; V = 1,732.32 Den(Calc)= 3.27

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/I_o): 1.62(1), 2.71(1), 3.03(0.8),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

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

Cleavage:

None

Color:

Colorless, White, Pale gray, Brown, Pink.

Density:

3.13

Diaphaneity:

Transparent to translucent

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Habit:

Crystalline - Fine - Occurs as well-formed fine sized crystals.

Hardness:

6.5 - Pyrite

Luminescence:

Fluorescent, Short UV=clear orange.

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Hibschite

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

Optical Data:

Isotropic, n=1.675.

Calculated Properties of Hibschite

Electron Density:

Bulk Density (Electron Density)=3.14 gm/cc
note: Specific Gravity of Hibschite =3.13 gm/cc.

Fermion Index:

Fermion Index = 0.006750264
Boson Index = 0.993249736

Photoelectric:

PE_Hibschite= 4.33 barns/electron
U=PE_Hibschite x rElectron Density= 13.61 barns/cc.

Radioactivity:

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

Hibschite Classification

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

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

References:

NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)

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 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - MinMax(Deutsch)
13 - MinMax(English)
14 - Mineralienatlas (Deutsch)
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

Search for Hibschite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Hibschite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Hibschite Mineral Data :

Ask about Hibschite 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 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: