Card No: 11852       Created: 21/06/23    Last edition: 04/04/2026

Name: MINASGERAISITE-(Y)
Specification: [1], "distorted" structure type - datolite
Formula: BiCa(Y,Ln)2([],Mn)2(Be,B,Si)4Si4O16[(OH),O]4
Symmetry Class: triclinic
Space Group: P 1
Unit Cell
Parameters:
a = 9.9940 | b = 7.7050 | c = 4.7640 | alpha = 90.0000 | beta = 90.2000 | gamma = 90.0000
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 366.84
Number of Atomic Position
per full Unit Cell
:
P/U = 34 Molar Volume, cm3/mol: Vm = 220.96
Number of Reflexes used in
Structure Determination
:

NR = 4170
X-ray density, g/cm3: p = 4.30
R-factor: R = 0.0286MU, 1/cm: µ = 449.094
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 104.552
Theta-Interval for CPDP: T/I = 1-45