![]() |
Kurnakovite Mineral Data |
General Kurnakovite Information |
|||
![]() |
MgB3O3(OH)5•5(H2O) | ||
![]() |
Molecular Weight = 279.85 gm | ||
Magnesium 8.69 % Mg 14.40 % MgO | |||
Boron 11.59 % B 37.32 % B2O3 | |||
Hydrogen 5.40 % H 48.28 % H2O | |||
Oxygen 74.32 % O | |||
______ ______ | |||
100.00 % 100.00 % = TOTAL OXIDE | |||
![]() |
MgB3O3(OH)5•5(H2O) | ||
![]() |
Valid Species (Pre-IMA) 1940 | ||
![]() |
Inder, Kazakhstan. Link to MinDat.org Location Data. | ||
![]() |
Named for Nikolai S. Kurnakov (1860-1941), Russian mineralogist. | ||
![]() |
Kurnakovite + Pronunciation ![]() |
||
![]() |
ICSD 2153 | ||
PDF 29-856 | |||
Kurnakovite Image | |||
![]() |
|
||
![]() |
|
||
Kurnakovite Crystallography |
|||
![]() |
a:b:c =0.7879:1:0.6071 | ||
![]() |
a = 8.344, b = 10.59, c = 6.43, Z = 2; alpha = 99°, beta = 108.9°, gamma = 105.5° V = 511.61 Den(Calc)= 1.82 | ||
![]() |
Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1 | ||
![]() |
By Intensity(I/Io): 7.22(1), 4.9(0.85), 4.21(0.8), | ||
Physical Properties of Kurnakovite |
|||
![]() |
{110} Good, {001} Indistinct | ||
![]() |
Colorless, White. | ||
![]() |
1.83 | ||
![]() |
Transparent | ||
![]() |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
![]() |
Crystalline - Coarse - Occurs as well-formed coarse sized crystals. | ||
![]() |
3 - Calcite | ||
![]() |
Vitreous - Pearly | ||
![]() |
white | ||
Optical Properties of Kurnakovite |
|||
![]() |
CI meas= -0.007 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.009 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2708,KPDmeas= 0.2752,KC= 0.2732 Ncalc = 1.5 - 1.51 |
||
![]() |
Biaxial (-), a=1.488, b=1.508, g=1.515, bire=0.0270, 2V(Calc)=60, 2V(Meas)=63. Dispersion r > v. | ||
![]() |
none. | ||
![]() |
none. | ||
![]() |
none. | ||
Calculated Properties of Kurnakovite |
|||
![]() |
Bulk Density (Electron Density)=1.91 gm/cc note: Specific Gravity of Kurnakovite =1.83 gm/cc. |
||
![]() |
Fermion Index = 0.03 Boson Index = 0.97 |
||
![]() |
PEKurnakovite = 0.48 barns/electron U=PEKurnakovite x rElectron Density= 0.92 barns/cc. |
||
![]() |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kurnakovite is Not Radioactive |
||
Kurnakovite Classification |
|||
![]() |
26.03.03.01 (26)Hydrated Borates Containing Hydroxyl or Halogen | ||
(26.03)Dana Type | |||
(26.03.03)Dana Group | |||
![]() |
06.CA.20 06 - BORATES | ||
06.C - Triborates | |||
06.CA -Neso-triborates | |||
Other Kurnakovite Information |
|||
![]() |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
![]() |
Links to other databases for Kurnakovite : 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 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info 14 - WWW-MINCRYST Search for Kurnakovite using: Visit our Advertisers for Kurnakovite : Ask about Kurnakovite here : Print or Cut-and-Paste your Kurnakovite Specimen Label here :
|
||
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.