Chemical Formula:
|
(Ba,K,Pb,Na)4(Y,Ca,REE)2[Si8B2(B,Si)2O28F] |
Composition:
|
Molecular Weight = 1419.8 g |
|
|
|
Rhenium |
2.03 % |
RE |
2.37 % |
REE2O3 |
0.00 % |
|
|
|
Potassium |
0.83 % |
K |
1.00 % |
K2O |
0.00 % |
|
|
|
Barium |
33.85 % |
Ba |
37.80 % |
BaO |
0.00 % |
|
|
|
Sodium |
0.16 % |
Na |
0.22 % |
Na2O |
0.00 % |
|
|
|
Calcium |
1.98 % |
Ca |
2.76 % |
CaO |
0.00 % |
|
|
|
Yttrium |
6.26 % |
Y |
7.95 % |
Y2O3 |
0.00 % |
|
|
|
Silicon |
16.42 % |
Si |
35.12 % |
SiO2 |
0.00 % |
|
|
|
Boron |
2.66 % |
B |
8.58 % |
B2O3 |
0.00 % |
|
|
|
Lead |
2.92 % |
Pb |
3.14 % |
PbO |
0.00 % |
|
|
|
Oxygen |
31.55 % |
O |
0.00 % |
|
0.00 % |
|
|
|
Fluorine |
1.34 % |
F |
1.34 % |
F |
0.00 % |
|
|
|
|
|
|
|
|
|
|
|
|
|
100.00 % |
|
100.28 % |
|
|
|
|
| |
Empirical Formula:
|
Ba3.5K0.3Pb0.2YCa0.7Na0.1REE0.2Si8.3B3.5O28F |
|
Environment:
|
Found in a boulder of perialkaline pegmatite. The Y-dominant analogue of hyalotekite |
|
Locality:
|
Moraine of the Dara-i-Pioz glacier in the Alaiskii mountain range, Tien-Shan, northern Tajikistan.. Link to
MinDat.org
Location Data.
|
|
Name Origin:
|
Named for P. L. Kapitsa (1894-1984), Russian physicist |
|
Synonym:
|
IMA1998-057 |
|