Caesium Beryl
A variety of Beryl
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About Caesium Beryl
Formula:
Be3Al2(Si6O18)
First Recorded Locality:
A variety of Alkali-beryl
The term 'caesium beryl' refers to a caesium-bearing beryl. The names vorobyevite and rosterite have both been used to refer to such material, however the use of these names should be discouraged.
The term 'caesium beryl' refers to a caesium-bearing beryl. The names vorobyevite and rosterite have both been used to refer to such material, however the use of these names should be discouraged.
Unique Identifiers
Mindat ID:
6545 (as Caesium Beryl)
819 (as Beryl)
819 (as Beryl)
Long-form identifier:
mindat:1:1:6545:6 (as Caesium Beryl)
mindat:1:1:819:6 (as Beryl)
mindat:1:1:819:6 (as Beryl)
GUID
(UUID V4):
(UUID V4):
c6b966b8-b030-4895-9efc-38f7fc3a7b50 (as Caesium Beryl)
c1541908-9337-4779-b66e-b718f8e79388 (as Beryl)
c1541908-9337-4779-b66e-b718f8e79388 (as Beryl)
Chemistry of Caesium Beryl
Mindat Formula:
Be3Al2(Si6O18)
Elements listed:
First Recorded Occurrence of Caesium Beryl
Other Language Names for Caesium Beryl
French:Béryl césifière
German:Cäsiumberyll
Varieties of Caesium Beryl
Rosterite | An alkali beryl from San Piero in Campo, Elba, Italy. Described as a new species by Grattarola (1880). Discredited by Zambonini and Caglioti (1928) and recognised as an alkali beryl with 0.4% Li2O, 4.2% Na2O, 2.25% K2O and 0.9% Cs2O. Similar to vorobyev... |
Common Associates
Associated Minerals Based on Photo Data:
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Caesium Beryl
mindat.org URL:
https://www.mindat.org/min-6545.html
Please feel free to link to this page.
Please feel free to link to this page.
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Mineral Dealers:
References for Caesium Beryl
Reference List:
Localities for Caesium Beryl
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Italy | |
| [var: Rosterite] G.Grattarola (1880) |
Madagascar | |
| Knut Edvard Larsen collection # M13 |
Knut Edvard Larsen collection # M-107 | |
Myanmar | |
| In Coll. M. Slama |
Poland | |
| Pieczka et al. (2015) +1 other reference |
USA (FRL) | |
| S.L.Penfield (1888) |
San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy