NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 2822 | [2], t-melilite, analogue | Y2SiBe2O7 | P 4(-)2(1)m |
2. | 11486 | [12], t-melilite, analogue | Y2Be(Al,B)2O7 | P 4(-)2(1)m |
3. | 11688 | [17], t-melilite, analogue | Y2SiBe2O7 | P 4(-)2(1)m |
4. | 11689 | [18], t-melilite, analogue | Y2Al(BBe)O7 | P 4(-)2(1)m |