Jarandolite Mineral Data

Jarandolite Mineral Data
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General Jarandolite Information

Help on Chemical Formula: Chemical Formula: Ca[B3O4(OH)3]
Help on Composition: Composition: Molecular Weight = 187.28 gm
   Calcium   21.83 %  Ca   30.54 % CaO
   Silicon    0.15 %  Si    0.32 % SiO2
   Boron     17.26 %  B    55.57 % B2O3
   Hydrogen   1.50 %  H    13.42 % H2O
   Chlorine   0.19 %  Cl    0.19 % Cl
               -   %   Cl   -0.04 % -O=Cl2   
   Oxygen    59.07 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.02B2.99Si0.01O4.12(OH)2.79Cl0.01
Help on Environment: Environment: Mixed volcanic-sedimentary deposits with borate deposits occuring predominantly in the tuffaceous deposits and have thicknesses from 1 to 12 m. Structurally and chemically similar t o colemanite.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Pobrdjski Potok and Piskanja in the Jarandol lacustrine basin (Miocene), 280 km south from Belgrade, Serbia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA1995-020a
  Serbianite
  Srbianite
 

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Jarandolite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0299:1:0.8903
Help on Cell Dimensions: Cell Dimensions: a = 8.386, b = 8.142, c = 7.249, Z = 4; beta = 98.33° V = 489.73 Den(Calc)= 2.54
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.39(1)(201 ), 4.32(0.57)(111 ), 3.13(0.5)(211 ),1.849(0.25)(421,420), 2.606(0.25)(221 ), 2.93(0.23)(202 ), 2.287(0.19)(320 ), 2.36(0.17)(311 ),
Click Here for Large Jarandolite Structure Window Crystal Structure:

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Yamnova N A , Egorov-Tismenko Y K , Malinko S V , Pushcharovskii D Y , Dorokhova G I , Crystallography Reports , 39 (1994) p.991-993, Crystal structure of a new natural calcium hydroborate Ca[B3O4(OH)3], Locality: Belgrade, Serbia, Yugoslavia

 

Physical Properties of Jarandolite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, White.
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Jarandolite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2343,KC= 0.2305
Ncalc = 1.59
Help on Optical Data: Optical Data: Biaxial (+), a=1.573, b=1.586, g=1.626, bire=0.0530, 2V(Calc)=62, 2V(Meas)=60. Dispersion medium, r > v.
 

Calculated Properties of Jarandolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.54 gm/cc
note: Specific Gravity of Jarandolite =2.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEJarandolite = 2.92 barns/electron
U=PEJarandolite x rElectron Density= 7.42 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jarandolite is Not Radioactive
 

Jarandolite Classification
Help on Dana Class: Dana Class: 25.03.06.01 (25)Anhydrous Borates Containing Hydroxyl or Halogen
  (25.03)Dana Type
  (25.03.06)Dana Group
 
25.03.06.01 Jarandolite! Ca[B3O4(OH)3] P 21/a 2/m
Help on Strunz Class: Strunz Class: 06.CB.25 06 - BORATES
  06.C - Triborates
  06.CB -Ino-triborates
 
06.CB.25 Jarandolite! Ca[B3O4(OH)3] P 21/a 2/m
 

Other Jarandolite Information
Help on References: References: NAME( AmMin, v 91, p217) PHYS. PROP.(AmMin, v 91, p217) OPTIC PROP.(AmMin, v 91, p217)
Help on See Also: See Also: Links to other databases for Jarandolite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Jarandolite

Ca[B3O4(OH)3]
Dana No: 25.03.06.01 Strunz No: 06.CB.25
Locality:

 

Notes: