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Beryl from
Birch Portage pegmatites, Jan Lake, Saskatchewan, Canada


Locality type:Pegmatite Field
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Chemical Analyses:
Oxide wt%:
123
SiO263.66 %63.94 %66.00 %
Al2O320.89 %20.98 %19.34 %
Fe2O30.83 %2.04 %2.04 %
MnO0.01 %0.02 %0.02 %
CaO0.01 %0.00 %0.00 %
Na2O0.24 %0.32 %0.04 %
K2O0.05 %0.09 %0.03 %
BeO12.49 %10.08 %10.75 %
H2O+0.74 %1.15 %0.59 %
H2O-0.38 %0.47 %0.00 %
TiO20.00 %0.00 %0.03 %
Total:99.30 %99.09 %98.84 %
Empirical formulas:
1(Be2.77Al0.12Fe0.05) ?2.94Al2.00(Si5.86Al0.14)? 6.00O18Na0.04K0.01
2(Be2.27Al0.23Fe0.43) ?2.93Al2.00Si6.00O18Na0.05K0.01
3(Be2.39Al0.11Fe0.14 Si0.11) ?2.75Al2.00Si6.00O18Na0.01
Sample references:
1522
Dennis Radcliffe (1964) THE GEOLOGY OF THE BIRCH PORTAGE BERYL PEGMATITE DEPOSIT, SASKATCHEWAN. Master, University of Alberta, Edmonton, Alberta, Canada.
2551
Dennis Radcliffe (1964) THE GEOLOGY OF THE BIRCH PORTAGE BERYL PEGMATITE DEPOSIT, SASKATCHEWAN. Master, University of Alberta, Edmonton, Alberta, Canada.
3609
Dennis Radcliffe (1964) THE GEOLOGY OF THE BIRCH PORTAGE BERYL PEGMATITE DEPOSIT, SASKATCHEWAN. Master, University of Alberta, Edmonton, Alberta, Canada.
Comments:Occurs as opaque hexagonal prismatic crystals, typically 0.5–1 inch long and 0.25–0.5 inch wide, occasionally up to ~1 inch in diameter. It is green to yellow-green, often zoned, and is confined to small pockets within the pegmatites.
Abundance at site:Common
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Birch Portage pegmatites, Jan Lake, Saskatchewan, Canada
Data Identifiers
Mindat Occurrence Record ID:1953656
Long-form Identifier:1:3:1953656:1
GUID (UUID V4):0
References
Dennis Radcliffe (1964) THE GEOLOGY OF THE BIRCH PORTAGE BERYL PEGMATITE DEPOSIT, SASKATCHEWAN. Master, University of Alberta, Edmonton, Alberta, Canada.
 
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