Bilinite Mineral Data

Advertisment

Your premier supplier of quality mineral specimens from Southern Africa and the world at large

A Bijoux.com is an online store specialized in the sale on the internet of precious stones , gems , minerals and jewels for individuals and professionals

McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs

General Bilinite Information

Chemical Formula:

Fe++Fe+++2(SO4)4•22(H2O)

Composition:

Molecular Weight = 948.13 gm

Iron 17.67 % Fe 7.58 % FeO / 16.84 % Fe₂O₃

Hydrogen 4.68 % H 41.80 % H₂O

Sulfur 13.53 % S 33.78 % SO₃

Oxygen 64.12 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺Fe³⁺₂(SO₄)₄•22(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1913

Locality:

Schwaz, near Bilin, Bohemia, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Bilinite

Bilinite Image

Images:

Bilinite

Comments: Powdery crust of white bilinite on pyrite.
Location: Bisbee, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bilinite Crystallography

Axial Ratios:

a:b:c =0.2551:1:0.8735

Cell Dimensions:

a = 6.208, b = 24.333, c = 21.255, Z = 4; beta = 100.3° V = 3,159.02 Den(Calc)= 1.99

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.51(1), 4.21(1), 4.85(0.5),4.1(0.4), 2.89(0.3), 3.29(0.3), 4.96(0.3), 5.48(0.3),

Physical Properties of Bilinite

Color:

White, Yellow.

Density:

1.87

Diaphaneity:

Transparent

Habit:

Fibrous - Crystals made up of fibers.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Hardness:

2 - Gypsum

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Bilinite

Gladstone-Dale:

CI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.067 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2513,KPDmeas= 0.2674,KC= 0.2692
Ncalc = 1.5 - 1.54

Optical Data:

Biaxial (+/-), b=1.5

Calculated Properties of Bilinite

Electron Density:

Bulk Density (Electron Density)=1.93 gm/cc
note: Specific Gravity of Bilinite =1.87 gm/cc.

Fermion Index:

Fermion Index = 0.0050755938
Boson Index = 0.9949244062

Photoelectric:

PE_Bilinite= 5.92 barns/electron
U=PE_Bilinite x rElectron Density= 11.45 barns/cc.

Radioactivity:

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

Bilinite Classification

Dana Class:

29.07.03.05 (29)Hydrated Acid and Sulfates

(29.07)where A (B)2 (XO4)4 · x(H2O)

(29.07.03)Halotrichite Group (Monoclinic with 22 H2O)

29.07.03.01 Pickeringite MgAl2(SO4)4•22(H2O) P 2 2

29.07.03.02 Halotrichite FeAl2(SO4)4•22(H2O) P 2 2

29.07.03.03 Apjohnite MnAl2(SO4)4•22(H2O) P 2₁/c 2/m

29.07.03.04 Dietrichite (Zn,Fe,Mn)Al2(SO4)4•22(H2O) P 2₁/c 2/m

29.07.03.05 Bilinite FeFe2(SO4)4•22(H2O) P 2₁/c 2/m

29.07.03.06 Redingtonite (Fe,Mg,Ni)(Cr,Al)2(SO4)4•22(H2O) Mono

29.07.03.07 Wupatkiite (Co,Mg,Ni)Al2(SO4)4•22(H2O) P 2₁/c 2/m

Strunz Class:

07.CB.85 07 - SULFATES (SELENATES, TELLURATES)

07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O

07.CB -With only medium-sized cations

07.CB.85 Bilinite FeFe2(SO4)4•22(H2O) P 2₁/c 2/m

07.CB.85 Apjohnite MnAl2(SO4)4•22(H2O) P 2₁/c 2/m

07.CB.85 Dietrichite (Zn,Fe,Mn)Al2(SO4)4•22(H2O) P 2₁/c 2/m

07.CB.85 Halotrichite FeAl2(SO4)4•22(H2O) P 2 2

07.CB.85 Pickeringite MgAl2(SO4)4•22(H2O) P 2 2

07.CB.85 Redingtonite (Fe,Mg,Ni)(Cr,Al)2(SO4)4•22(H2O) Mono

07.CB.85 Wupatkiite (Co,Mg,Ni)Al2(SO4)4•22(H2O) P 2₁/c 2/m

Other Bilinite Information

References:

NAME( Dana8) PHYS. PROP.(Ford32) OPTIC PROP.(Ford32)

See Also:

Links to other databases for Bilinite :
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

Search for Bilinite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Bilinite :

A Bijoux Google Search for Bilinite
Adam's Minerals Google Search for Bilinite
Cape Minerals Google Search for Bilinite
Dakota Matrix Minerals Google Search for Bilinite
Excalibur Mineral Corp. Google Search for Bilinite
Exceptional Minerals Google Search for Bilinite
John Betts Fine Minerals Search for Bilinite
McDougall Minerals Google Search for Bilinite
Mineral News Website Link
Rock and Mineral Shows Google Search for Bilinite
Weinrich Minerals, Inc. Google Search for Bilinite

Ask about Bilinite 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 Bilinite Specimen Label here :

Bilinite

Fe++Fe+++2(SO4)4•22(H2O)
Dana No: 29.07.03.05 Strunz No: 07.CB.85
Locality:

Notes: