Korzhinskite Mineral Data

General Korzhinskite Information

Chemical Formula:

CaB2O4•(H2O)

Composition:

Molecular Weight = 143.71 gm

Calcium 27.89 % Ca 39.02 % CaO

Boron 15.04 % B 48.44 % B₂O₃

Hydrogen 1.40 % H 12.54 % H₂O

Oxygen 55.67 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CaB₂O₄•(H₂O)

IMA Status:

Approved IMA 1963

Locality:

Novofrolovskoye Cu deposit, Ural Mountians, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for D.S. Korzhinski

Name Pronunciation:

Korzhinskite + Pronunciation

Korzhinskite Image

Images:

Korzhinskite

Comments: Translucent fragment of korzhinskite.
Location: Novofrolovskoye, Sverdlovsk District, Northern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Korzhinskite Crystallography

Axial Ratios:

a:b:c =0.6692:1:1.5579

Cell Dimensions:

a = 4.33, b = 6.47, c = 10.08, Z = 3; beta = 85° V = 281.32 Den(Calc)= 2.54

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/m

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

By Intensity(I/I_o): 2.02(1), 2.81(0.7), 3.11(0.7),

Physical Properties of Korzhinskite

Cleavage:

{???} Indistinct

Color:

Colorless.

Diaphaneity:

Transparent

Habit:

Platy - Sheet forms (e.g. micas).

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Korzhinskite

Gladstone-Dale:

CI calc= -0.125 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2573,KC= 0.2287
Ncalc = 1.58

Optical Data:

Biaxial (+), a=1.642, b=1.647, g=1.672, bire=0.0300, 2V(Calc)=50, 2V(Meas)=43.6.

Calculated Properties of Korzhinskite

Electron Density:

Bulk Density (Electron Density)=2.55 gm/cc
note: Specific Gravity of Korzhinskite =2.54 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Korzhinskite= 3.61 barns/electron
U=PE_Korzhinskite x rElectron Density= 9.19 barns/cc.

Radioactivity:

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

Korzhinskite Classification

Dana Class:

26.07.01.01 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.07)Dana Type

(26.07.01)Dana Group

26.07.01.01 Korzhinskite CaB2O4•(H2O) P 2/m 2/m

26.07.01.02 Parasibirskite! Ca2B2O5•(H2O) P 2₁/m 2/m

Strunz Class:

06.HA.30 06 - BORATES

06.H - Unclassified Borates

06.HA -Unclassified borates

06.HA.30 Korzhinskite CaB2O4•(H2O) P 2/m 2/m

Other Korzhinskite 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 Korzhinskite :
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

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Print or Cut-and-Paste your Korzhinskite Specimen Label here :

Korzhinskite

CaB2O4•(H2O)
Dana No: 26.07.01.01 Strunz No: 06.HA.30
Locality:

Notes:

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