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Ramanite-(Rb)

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Dr. Chandrasekhara Venkata Raman
Formula:
Rb[B5O6(OH)4] · 2H2O
Crystal System:
Orthorhombic
Name:
Named for Sir Chandrasekhara Venkata Raman (1888-1970), originator of Raman spectroscopy.
Santite group


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Classification of Ramanite-(Rb)Hide

IMA status:
Approved
Approval Year:
2007
Strunz 9th ed.:
6.EA.10
Nickel-Strunz 10th (pending) ed.:
6.EA.10

6 : BORATES
E : Pentaborates
A : Neso-pentaborates
Dana 8th ed.:
26.5.2.2

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
5 : Pentaborates

Chemical Properties of Ramanite-(Rb)Hide

Formula:
Rb[B5O6(OH)4] · 2H2O
IMA Formula:
RbB5O6(OH)4 · 2H2O
Elements listed:
B, H, O, Rb - search for minerals with similar chemistry

Crystallography of Ramanite-(Rb)Hide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Aba2
Cell Parameters:
a = 11.304 Å, b = 10.963 Å, c = 9.337 Å
Ratio:
a:b:c = 1.031 : 1 : 0.852
Unit Cell V:
1,157.09 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.554 (100)
5.481 (85)
3.391 (63)
2.826 (47)
6.018 (38)
3.329 (38)
2.894 (28)
3.259 (26)

Type Occurrence of Ramanite-(Rb)Hide

Synonyms of Ramanite-(Rb)Hide

Other Language Names for Ramanite-(Rb)Hide

Related Minerals - Nickel-Strunz GroupingHide

6.EA.05SborgiteNa[B5O6(OH)4] · 3H2OMon.
6.EA.05LeucostauritePb2[B5O9]Cl · 0.5H2OOrth. mm2 : Pnn2
6.EA.10SantiteK[B5O6(OH)4] · 2H2OOrth.
6.EA.10Ramanite-(Cs)Cs[B5O6(OH)4] · 2H2OMon. 2/m : B2/b
6.EA.15Ammonioborite(NH4)2[B5O6(OH)4]2 · H2OMon. 2/m : B2/b
6.EA.25UlexiteNaCa[B5O6(OH)6] · 5H2OTric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

26.5.2.1SantiteK[B5O6(OH)4] · 2H2OOrth.
26.5.2.3Ramanite-(Cs)Cs[B5O6(OH)4] · 2H2OMon. 2/m : B2/b

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ramanite-(Rb)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Thomas, R., P. Davidson, & A. Hahn (2008): Ramanite-(Ce) and ramanite-(Rb): New cesium and rubidium pentaborate tetrahydrate minerals identified with Raman spectroscopy: American Mineralogist 93, 1034-1042.

Internet Links for Ramanite-(Rb)Hide

Localities for Ramanite-(Rb)Hide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Italy (TL)
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
Thomas, R., Davidson, P., & Hahn, A. (2008). Ramanite-(Cs) and ramanite-(Rb): New cesium and rubidium pentaborate tetrahydrate minerals identified with Raman spectroscopy. American Mineralogist, 93(7), 1034-1042.
Mineral and/or Locality  
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