Chemical Formula:
|
(Ca,Na)2(Y,REE)3Si6O18·2(H2O) |
Composition:
|
Molecular Weight = 872.18 g |
|
|
|
Hydrogen |
0.46 % |
H |
4.13 % |
H2O |
0.00 % |
|
|
|
Oxygen |
36.69 % |
O |
0.00 % |
|
0.00 % |
|
|
|
Sodium |
1.32 % |
Na |
1.78 % |
Na2O |
0.00 % |
|
|
|
Silicon |
19.32 % |
Si |
41.33 % |
SiO2 |
0.00 % |
|
|
|
Calcium |
6.89 % |
Ca |
9.64 % |
CaO |
0.00 % |
|
|
|
Yttrium |
22.94 % |
Y |
29.13 % |
Y2O3 |
0.00 % |
|
|
|
Rhenium |
12.38 % |
RE |
14.45 % |
REE2O3 |
0.00 % |
|
|
|
|
|
|
|
|
|
|
|
|
|
100.00 % |
|
100.46 % |
|
|
|
|
|
Empirical Formula:
|
Ca1.5Na0.5Y2.25REE0.75Si6O18·2(H2O) |
Environment:
|
Cyclosilicate with structural similarities to kainosite-(Y) and leifite. Found in an aplite-pegmatite lens |
Locality:
|
Strange Lake perialkaline complex on the Quebec-Labrador border, Canada.. Link to
MinDat.org
Location Data.
|
Name Origin:
|
For Richard Geren (1917-), former executive vice-president of the Iron Ore Company of Canada. Mr. Geren initiated and supported the exploration program of the Strange Lake deposit |
Synonym:
|
IMA1993-034 |
|