Ramanite-(Cs) Mineral Data

General Ramanite-(Cs) Information

Chemical Formula:

Cs[B5O6(OH)4]•2H2O

Composition:

Molecular Weight = 387.01 gm

Cesium 34.34 % Cs 36.41 % Cs₂O

Boron 13.97 % B 44.97 % B₂O₃

Hydrogen 2.08 % H 18.62 % H₂O

Oxygen 49.61 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CsB₅O₆(OH)₄•2(H₂O)

Environment:

Melt and fluid inclusions in a pegmatite sample from the Island of Elba, Neso-pentaborate identified by Raman spectroscopy.

IMA Status:

Approved IMA 2007 (Dana # Added)

Locality:

San Piero in Campo, Elba, Italy Link to MinDat.org Location Data.

Name Origin:

Named for Chandrasekhara Venkata Raman (1888-1970), Nobel Prize winner in Physics in 1930 for discovering the effect that bears his name.

Synonym:

Cesium pentaborate tetrahydrate

IMA2007-007

Ramanite-(Cs) Image

Images:

Click Here for Larger Ramanite-(Cs) Image

Ramanite-(Cs) Ramanite-(Rb) Santite

Comments: Unheated Type-B melt inclusions in graphic quartz. 1 = ramanite-(Cs), 2 = sassolite, 3 = ramanite-(Rb), 4 = santite, 5 = topaz, V = vapor. (AmMin, v93:1035).
Location: Graphic pegmatite quartz from the Island of Elba, Italy. Scale: Scale Bar 15µm.
© American Mineralogist

Ramanite-(Cs) Crystallography

Axial Ratios:

a:b:c =0.6749:1:0.9789

Cell Dimensions:

a = 8.13, b = 12.045, c = 11.792, Z = 4; beta = 93.34° V = 1,152.78 Den(Calc)= 2.23

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

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

By Intensity(I/I_o): 6.023(1), 3.365(0.68), 2.943(0.55),3.278(0.49), 3.464(0.44), 3.467(0.44), 5.886(0.43), 3.321(0.34),

Physical Properties of Ramanite-(Cs)

Color:

Colorless.

Diaphaneity:

Transparent

Optical Properties of Ramanite-(Cs)

Optical Data:

Biaxial (?)

NCalc= 1.45 - from Gladstone-Dale relationship (KC = 0.2033) where Ncalc=Dcalc*KC+1

Calculated Properties of Ramanite-(Cs)

Electron Density:

Bulk Density (Electron Density)=2.12 gm/cc
note: Specific Gravity of Ramanite-(Cs) =2.23 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_{Ramanite-(Cs)}= 137.90 barns/electron
U=PE_{Ramanite-(Cs)} x rElectron Density= 292.41 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ramanite-(Cs) is Not Radioactive

Ramanite-(Cs) Classification

Dana Class:

26.05.02.03 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.05)Dana Type

(26.05.02)Santite Group

26.05.02.01 Santite KB5O6(OH)4•2(H2O) Aba2 mm2

26.05.02.02 Ramanite-(Rb)! Rb[B5O6(OH)4]•2H2O Aba2 mm2

26.05.02.03 Ramanite-(Cs)! Cs[B5O6(OH)4]•2H2O C 2/c 2/m

Strunz Class:

06.EA.10 06 - BORATES

06.E - Pentaborates

06.EA -Neso-pentaborates

06.EA.10 Santite KB5O6(OH)4•2(H2O) Aba2 mm2

06.EA.10 Ramanite-(Rb)! Rb[B5O6(OH)4]•2H2O Aba2 mm2

06.EA.10 Ramanite-(Cs)! Cs[B5O6(OH)4]•2H2O C 2/c 2/m

Other Ramanite-(Cs) Information

References:

NAME( AmMin, v93:1034) PHYS. PROP.(AmMin, v93:1034) OPTIC PROP.(AmMin, v93:1034)

See Also:

Links to other databases for Ramanite-(Cs) :
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 Ramanite-(Cs) Specimen Label here :

Ramanite-(Cs)

Cs[B5O6(OH)4]•2H2O
Dana No: 26.05.02.03 Strunz No: 06.EA.10
Locality:

Notes: