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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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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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