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Bertrandite from
Unnamed Pegmatite quarry ("Groveland" pegmatite), Randville, Dickinson County, Michigan, USA


Locality type:Quarry
Classification
Species:Bertrandite
Formula:Be4(Si2O7)(OH)2
Comments:Occurs in thin, late fractures (blocky). Bladed crystals are clear in small vugs in the intermediate zones near the core margin.
Habit:Tiny, blocky; bladed.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Unnamed Pegmatite quarry ("Groveland" pegmatite), Randville, Dickinson County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:887114
Long-form Identifier:1:3:887114:5
GUID (UUID V4):0
Nearest other occurrences of Bertrandite
34.6km (21.5 miles) ⓘAnimikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence County, Wisconsin, USA
References
Buchholz, T.W., A.U. Falster & W.B. Simmons (2014), Accessory Mineralogy of an Evolved Dickinson County, Michigan, Pegmatite, a presentation before the 41st. Rochester Mineralogical Symposium, April 25, 2014.
 
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