Jarandolite Mineral Data (original) (raw)

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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Help on Above

| | 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: