Metaborite Mineral Data

Metaborite Mineral Data +

General Metaborite Information

Chemical Formula:

HBO2

Composition:

Molecular Weight = 43.82 gm

Boron 24.67 % B 79.44 % B₂O₃

Hydrogen 2.30 % H 20.56 % H₂O

Oxygen 73.03 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

HBO₂

IMA Status:

Approved IMA 1964

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 34639

PDF 15-868

Search for Metaborite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Metaborite Crystallography

Cell Dimensions:

a = 8.89, Z = 24; V = 702.60 Den(Calc)= 2.49

Crystal System:

Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: P 43m

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

By Intensity(I/I_o): 4.442(1), 1.939(0.95), 3.627(0.5),

Physical Properties of Metaborite

Cleavage:

[???] Indistinct

Color:

Brownish, Brownish white, Colorless.

Density:

2.47

Diaphaniety:

Transparent

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Hardness:

5 - Apatite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Metaborite

Gladstone-Dale:

CI meas= -0.039 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.031 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2482,KPDmeas= 0.2502,KC= 0.2407

Optical Data:

Isotropic, n=1.618.

Calculated Properties of Metaborite

Electron Density:

r_electron=2.50 gm/cc
note: r_Metaborite=2.49 gm/cc.

Fermion Index

Fermion Index = 0.04944
Boson Index = 0.95056

Photoelectric:

PE_Metaborite= 0.34 barns/electron
U=PE_Metaborite x r_electron= 0.86 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Metaborite is Not Radioactive

Metaborite Classification

Dana Class:

24.5.1.1 (24)Borates - Anhydrous

(24.5)with miscellaneous formulae

(24.5.1)Dana Group

24.5.1.1 Metaborite HBO2 P 43m 4 3m

Strunz Class:

V/L.01-10 V - Nitrates, Carbonates and Borates

V/L - Shelly borates with [BO2]1- to [B6O10]2-

V/L.01 - Metaborite series

V/L.01-10 Metaborite HBO2 P 43m 4 3m

Other Metaborite Information

References:

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

See Also:

Links to other databases for Metaborite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

Search for Metaborite using:

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

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

Translate Metaborite Mineral Data :

Ask about Metaborite 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 Metaborite Specimen Label here :

Metaborite

HBO2
Dana No: 24.5.1.1 Strunz No: V/L.01-10
Locality:

Notes: