Bazirite Mineral Data

Bazirite Mineral Data +

[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop

General Bazirite Information

Chemical Formula:

BaZrSi3O9

Composition:

Molecular Weight = 456.80 gm

Barium 30.06 % Ba 33.57 % BaO

Zirconium 19.97 % Zr 26.98 % ZrO₂

Silicon 18.44 % Si 39.46 % SiO₂

Oxygen 31.52 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

BaZrSi₃O₉

Environment:

A late-stage interstitial mineral in aegrine-riebeckite granite (Rockall Island, Scotland).

IMA Status:

Approved IMA 1978

Locality:

On Apex Ridge, Rockall Island, in the North Atlantic Ocean, 294 km west of St. Kilda Island, Outer Hebrides, Scotland. Link to MinDat.org Location Data.

Name Origin:

For Barium and ZIRconium in the composition.

Synonym:

ICSD 71005

PDF 42-1361

Bazirite Image

Images:

Bazirite Sanbornite

Comments: Clear glassy minute grains of bazinite to 1mm through out matrix of milky-white sanbornite. The bazirite fluoresces light blue.
Location: Snow Cap mine, Rush Creek, Fresno Co., California, USA. Scale: 6.5 x 3 x 2.5cm.
© Tom Loomis / Dakota Matrix

Bazirite Crystallography

Axial Ratios:

a:c = 1:1.48027

Cell Dimensions:

a = 6.769, c = 10.02, Z = 2; V = 397.60 Den(Calc)= 3.82

Crystal System:

Hexagonal - Ditrigonal DipyramidalH-M Symbol (6 m2) Space Group: P 6m2

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

By Intensity(I/I_o): 2.8(1), 3.8(1), 5.85(0.35),

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

Hawthorne F C , Neues Jahrbuch fur Mineralogie, Monatshefte , 1987 (1987) p.16-30, The crystal chemistry of the benitoite group minerals and, structural relations in (Si3O9) ring structures, Sample: late-stage interstitial mineral in aegirine-riebeckite granite ,, Rockall Island, Scotland

Physical Properties of Bazirite

Cleavage:

[0001] Indistinct

Color:

Colorless.

Density:

3.82

Diaphaniety:

Transparent

Hardness:

6-6.5 - Orthoclase-Pyrite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Bazirite

Gladstone-Dale:

CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1788,KPDmeas= 0.1788,KC= 0.182

Optical Data:

Uniaxial (+), w=1.6751-1.6813, e=1.685-1.691, bire=0.0097-0.0099.

Calculated Properties of Bazirite

Electron Density:

r_electron=3.51 gm/cc
note: r_Bazirite=3.82 gm/cc.

Fermion Index

Fermion Index = 0.08474
Boson Index = 0.91526

Photoelectric:

PE_Bazirite= 159.73 barns/electron
U=PE_Bazirite x r_electron= 561.01 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Bazirite is Not Radioactive

Bazirite Classification

Dana Class:

59.1.1.1 (59)Cyclosilicate Three-Membered Rings

(59.1)anhydrous, no other anions

(59.1.1)Benitoite group

59.1.1.1 Bazirite BaZrSi3O9 P 6m2 6 m2

59.1.1.2 Benitoite BaTiSi3O9 P 6c2 6 m2

59.1.1.3 Pabstite Ba(Sn,Ti)Si3O9 P 6c2 6 m2

59.1.1.4 Wadeite K2ZrSi3O9 P 6₃/m 6/m

Strunz Class:

VIII/E.01-30 VIII - Silicates

VIII/E - Cyklosilicates, triplet rings [Si3O9]6-

VIII/E.01 - Benitoite series

VIII/E.01-10 Benitoite BaTiSi3O9 P 6c2 6 m2

VIII/E.01-20 Pabstite Ba(Sn,Ti)Si3O9 P 6c2 6 m2

VIII/E.01-30 Bazirite BaZrSi3O9 P 6m2 6 m2

VIII/E.01-40 Wadeite K2ZrSi3O9 P 6₃/m 6/m

Other Bazirite Information

References:

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

Search for Bazirite using:

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

Visit our Advertisers for Bazirite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Bazirite Mineral Data :

Ask about Bazirite 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 Bazirite Specimen Label here :

Bazirite

BaZrSi3O9
Dana No: 59.1.1.1 Strunz No: VIII/E.01-30
Locality:

Notes: