IMA1995-020a Mineral Data

IMA1995-020a Mineral Data

General IMA1995-020a Information

Chemical Formula:

CaB3O4(OH)3

Composition:

Molecular Weight = 187.53 gm

Calcium 21.37 % Ca 29.90 % CaO

Boron 17.29 % B 55.69 % B₂O₃

Hydrogen 1.61 % H 14.41 % H₂O

Oxygen 59.72 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CaB₃O₄(OH)₃

IMA Status:

Proposed IMA 1995 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

Synonym:

Serbianite

Srbianite

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IMA1995-020a Crystallography

Axial Ratios:

a:b:c =1.0299:1:0.8903

Cell Dimensions:

a = 8.386, b = 8.142, c = 7.249, Z = 4; beta = 98.33° V = 489.73 Den(Calc)= 2.54

Crystal System:

Monoclinic - DomaticH-M Symbol (m) Space Group: Pc

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

By Intensity(I/I_o): 3.39(1), 4.32(0.57), 3.13(0.5),1.849(0.25), 2.93(0.23), 2.287(0.19), 2.36(0.17),

Physical Properties of IMA1995-020a

Color:

Colorless, White.

Diaphaniety:

Transparent to Translucent

Luster:

Vitreous (Glassy)

Optical Properties of IMA1995-020a

Gladstone-Dale:

CI calc= -0.012 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2343,KC= 0.2315

Optical Data:

Biaxial (+), a=1.573, b=1.586, g=1.626, bire=0.0530

Calculated Properties of IMA1995-020a

Electron Density:

r_electron=2.55 gm/cc
note: r_IMA1995-020a=2.54 gm/cc.

Fermion Index

Fermion Index = 0.03499
Boson Index = 0.96501

Photoelectric:

PE_IMA1995-020a= 2.85 barns/electron
U=PE_IMA1995-020a x r_electron= 7.25 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA1995-020a is Not Radioactive

IMA1995-020a Classification

Dana Class:

25.3.6.1 (25)Anhydrous Borates Containing Hydroxyl or Halogen

(25.3)Dana Type

(25.3.6)Dana Group

25.3.6.1 IMA1995-020a ! CaB3O4(OH)3 Pc m

Strunz Class:

V/X.00-00 V - Nitrates, Carbonates and Borates

V/X - Unclassified Strunz Nitrates, Carbonates and Borates

V/X.00 - Borate, Basic

Other IMA1995-020a Information

References:

PHYS. PROP.(Eur. J. Min.,Vol.8,1996)

See Also:

Links to other databases for IMA1995-020a :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch)

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Print or Cut-and-Paste your IMA1995-020a Specimen Label here :

IMA1995-020a

CaB3O4(OH)3
Dana No: 25.3.6.1 Strunz No: V/X.00-00
Locality:

Notes: